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tck321g , TCK322G 20 15- 10- 20 1 toshiba cmos linear integrated circuit silicon monolithic tck 3 21g , TCK322G 36 v, dual input s C single output power multiplexer ic with over voltage protection the tck32 1g and TCK322G are 36 v high input voltage du al inputs - single output multiplexer load switch ics . it has over voltage protection featuring low switch on resistance , high output current and wide input voltage operation. switch on resistance is only 98 m ? at 4.5 v, - 1.0 a load condition s. a nd these feature a slew rate control driver, thermal shutdown and f lag function. a lso it can block reverse current if switch turned of f. output current is available up to 2. 0 a per channel . thus this is suitable for po wer management selector such as battery c harge application. this device is available in 0. 5 mm pitch small package wcsp 16 c (1. 9 mm x 1. 9 mm, t : 0. 5 mm ( typ .)) .thus this devices is ideal for portable applications that require high - density board assembly suc h as mobile phone. feature ? hi gh output current : i out (dc) = 2 a , per channel ? l ow on resistance : r on = 98 m ? ( typ . ) at v in = 4.5 v, - 1 .0 a, per channel ? wide input voltage operation : v in = 2.3 to 36 v ? over voltage lockout : 12 .0 v , 15. 0 v (typ.) ? under voltage lockout : 2.9 v (typ.) ? reverse current blocking per channel (sw off state) ? inrush current reducing circui t . ? auto select ion mode ? m anual selection mode ? break before make switch ? thermal shutdown function ? s mall package : 0.5 mm pitch wcsp 16 c (1. 9 mm x 1. 9 mm, t : 0. 5 mm ( typ. )) , pd = 1.65 w to p marking wcsp16c weight : 3.9 mg ( typ.) index 321 : tck321g 322 : TCK322G start of commercial production 201 5 - 10
tck321g , TCK322G 20 15- 10- 20 2 absolute maximum ratings (ta = 25c) characteristics symbol rating unit input voltage v in a, v in b - 0.3 to 40 v control voltage v cnt , v sel - 0.3 to 6 v output voltage v out - 0.3 to 18 v flag voltage v flag - 0.3 to 6 v output current i out dc 2.0 a pulse 3.0 (note 1) power dissi pation p d 1.65 (note 2) w operating temperature range t opr ? 40 to 85 c junction tem perature tj 150 c storage temperature t stg ? 55 to 150 c note : using continuously under heavy loads (e.g. the application of high temperature/current/vol tage and the significant change in temperature, etc.) may cause this product to decrease in the reliability significantly even if the operating conditions (i.e. operating temperature/current/voltage, etc.) are within the absolute maximum ratings. please design the appropriate reliability upon reviewing the toshiba semiconductor reliability handbook (handling precautions/derating concept and methods) and individual reliability data (i.e. reliability test report and estimated failure rate, etc). note1 : 1 ms pulse, 1% duty cycle note2 : rating at mounting on a board : fr4 board. ( 40 mm 40 mm 1.6 mm , cu 4 layer ) pin assignment (top view/bottom bump ) product list p art number over voltage lockout vina over voltage lockout vinb flag monitored in auto selection mode tck3 2 1g 12. 0 v (typ . ) 12. 0 v (typ . ) q1 tck3 22 g 15 . 0 v (typ . ) 15 . 0 v (typ . ) q1 please ask your local retailer about the devices with other ovlo, logic and functions. 1 2 3 4 a flag v sel c nt gnd b v ina v out v out v inb c v in a v out v out v inb d v in a v out v out v inb 1 2 a b c 3 d 4
tck321g , TCK322G 20 15- 10- 20 3 block diagr am p in d escription pin name description a1 flag open drain acknowledge signal output. a2 v sel input selector function. it is internally connected to v op (pull up). a3 c nt mode control function. it is internally connected to gnd(pull down) a4 gnd ground b1, c1,d1 b4,c4,d4 v ina ,v inb input. each has over voltage lock out (ovlo) and under voltage lock out function (uvlo). b 2 , c2,d2 b3,c3,d3 v out output. v ina v out charge pump ovlo/ uvlo c ontrol logic thermal shutdown reverse current blocking ov lo/ uvlo c nt
tck321g , TCK322G 20 15- 10- 20 4 operation logic table c nt l ow c nt h igh v s el low v ina q 1 of f off v inb q 2 off on flag q 3 o ff on ( w hen v ina or v inb is out of regular voltage ) reverse current block q 1 active / q 2 active q 1 active / q 2 inactive v s el high v ina q 1 auto select ion mode supplied v ina ; q 1 and q 3 on, q 2 off supplied v inb ; q 2 on , q 1 and q 3 off supplied v ina and v inb ; q 1 and q 3 on, q 2 off on v inb q 2 off flag q 3 on ( w hen v ina or v inb is out of regular voltage ) reverse current block q 1 inactive / q 2 active
tck321g , TCK322G 20 15- 10- 20 5 dc characteristics (ta = - 40 to 8 5 c) characteristics symbol test condition ta = 25 c ta = ? 40 to 85 c unit min t yp. max min max input voltage v in D 2.3 D 36 2.3 36 v v sel , cnt high - level input voltage v ih v in a , v inb = 2.3 to 36 v 1. 6 D D 1. 6 D v v sel , cnt low - level input volta ge v il v ina , v inb = 2.3 to 36 v D D 0.4 D 0.4 v over voltage lock out (ovlo) rising threshold v ovl _ri tck321g D 12. 0 D 1 0.5 1 3.5 v tck32 2g D 15.0 D 1 3.4 1 6.6 over voltage lock out (ovlo) falling threshold v ovl _fa D D v ovl _ri - 0.5 D D D v under voltage lock out (uvlo) rising threshold v uvl _ri D D 2.9 D 2.3 3.5 v under voltage lock out (u vlo) falling threshold v uvl _fa D D v uvl _ri - 0.3 D D D v quiescent current ( switch on state) i q (on) q1 or q2 = on mode, i out = 0 ma , vin=5.0 v D 1 40 D D 20 0 a quiescent current ( switch off state) i q(off) cnt and v sel : low, v ina or v inb = 5.0 v, v out = 0 v D 60 D D 90 a switch off state current i off cnt and v sel : low, v in = open, v out = 5 v D 0.1 D D 1 a reverse blocking current i rb cnt and v s el : low, v in = 0 v, v out = 5.0 v D 0.1 D D 10 a on resistance r on i out = - 1.0 a , v in = 4.5 v D 98 D D 170 m flag leak current i leak v io = 5.0 v D D 2 D 2 a flag output low voltage v ol i sink = 1 m a , v io = 5.0 v D D 0.4 D 0.4 v v sel , cnt pull up res istance r vc D D 500 D D D k ac characteristics (ta = 2 5c) characteristics symbol test condition (figure 1 , 2 , 3, 4 ) min t yp. max unit hold time t hd v uvl < v in (5 v) < v ovl , r l = 50 initial start up v out off state to charge - pump on state D 15 D ms v out ovp off time t ovp v in > v ovlo_ri , v in rising = 2 v/ s , r l = 50 , v out to 80% of v ovlo_ri D 3 D s v out off time t off v uvl < v in (5 v) < v ovl , r l = 50 , cnt low to high to v out to 8 0% of v in D 0.5 D s v out rise time t r v in = 5.0 v , r l = 50 , c l = 1.0 uf D 2 D ms v out fall time t f v in = 5.0 v , r l = 50 , c l = 1.0 uf D 0.1 2 D ms v in selection delay time t sel v in = 5.0 v , r l = 50 , D 0.5 D s break before make time t bbm v in = 5.0 v , r l = 50 , D 15 D ms
tck321g , TCK322G 20 15- 10- 20 6 timing chart manual selection mode v in b v ina v sel flag cnt v ov l v u vl v ov l v u v l v out t hd t ovp t hd t ovp t hd t s el t ovp t ovp t hd t hd switch all off device active ovp function v ina selected device active ovp function v inb selected high low high low high low f ig.1 t hd , t ovp , t sel t bbm low v sel v out 90% 1 0% 90% 1 0% t f t r high low 5 0% t sel t bbm
tck321g , TCK322G 20 15- 10- 20 7 timing chart auto selection mode fig. 3 t hd , t ovp v cnt v out 8 0% high low 5 0% t off fig. 4 t off v ina v ovl v uvl v in b v ovl v uvl v out cnt v sel flag low high automatically vinb selected automatically vina selected vina has priority to be selected automatically t hd t r t ovp t hd t r t r t r t r t r t r t ovp t ovp t ovp t ovp t ovp t hd t hd t hd t bbm t bbm
tck321g , TCK322G 20 15- 10- 20 8 application not e 1. application cir cuit example (top view) 1) i nput and output capacitor an input capacitor (c in ) and an output capacitor (c out ) are necessary for the stable operation of tck32 1g and TCK322G . and it is effective to reduce voltage overshoot or undershoot due to sharp changes in output current and also for improve d stability of the power supply. when used, place c in and c out more than 1.0 f as close to v in pin to improve stability of the power supply . 2) control pin c ontrol pins for tck32 1g and TCK322G are operated by the control voltage and schmitt trigger. v sel pin has a tolerant function such that it can be used even if the control voltage is higher than the input voltage . 2. reverse current blocking reverse current blocking (sw off state) function is designed in these products. this function is active at output n- ch moseft turned of f. however these does not assure for the suppres sion of uprising device operation. in use of these products, please read through and understand dissipation idea for absolute maximum ratings from the above mention or our semiconductor reliability handbook . then use these products under absolute maximum ratings in any condition. furthermore, toshiba recommend inserting failsafe system into the design. 3. thermal shut down function thermal shutdown function is designed in these products, but these does not assure for the suppression of uprising device operation. in use of these products, please read through and understand dissipation idea for absolute maximum ratings from the above mention or our semiconductor reliability handbook . then use these products under absolute maximum ratings in any condition. furthermore, toshiba recommend inserting failsafe system into the design. r l v out gnd f c out 1.0 f v sel cnt r up flag tck32 1g TCK322G v in a f
tck321g , TCK322G 20 15- 10- 20 9 4. power dissipation board- mounted power dissipation ratings for tck32 1g and TCK322G are available in the absolute maximum ratings table. power dissipation is measured on the board co ndition shown below. [the board condition] board material : glass epoxy (fr4) board dimension : 40 mm x 40 mm ( cu 4 layer ) please allow sufficient margin when designing a board pattern to fit the expected power dissipation. also take into consideration the ambient temperature, input voltage, output current etc and applying the appropriate derating for allowable power dissipation during operation. ambient temperature ta ( c ) p d C ta ( wcsp 1 6c ) power dissipation p d (mw) ? 4 0 0 0 40 1 2 0 8 0 5 00 10 00 15 00 20 00
tck321g , TCK322G 20 15- 10- 20 10 representative typical characteristi cs 1) o n resistance 2) q uiescent current on resistance r on (m ) 70 0 9 input voltage v in (v) ) 70 0 1.5 ou t put curren t i out (a) a) 0 0 30 input voltage v in (v) a) 0 - 5 0 50 ambient temperature t a ( c ) a) 0 0 30 input voltage v in (v)
tck321g , TCK322G 20 15- 10- 20 11 package dimensions wcsp16c unit : mm weight : 3.9 mg ( typ.)
tck321g , TCK322G 20 15- 10- 20 12 land pattern dimensions ( for reference onl y) unit : mm
tck321g , TCK322G 20 15- 10- 20 13 restrictions on product use ? toshiba corporation, and its subsidiaries and affiliates (collectively "toshiba"), reserve the right to make changes to the i nformation in this document, and related hardware, software and systems (collectively "product") without notice. ? this document and any information herein may not be reproduced without prior written permission from toshiba. even with toshiba's written permission, reproduction is permissible only if reproduction is without alteration/omission. ? though toshiba works continually to improve product's quality and reliability, product can malfunction or fail. customers are responsible for complying with safety standards and for providing adequate designs and safeguards for their hardware, software and systems which minimize risk and avoid situations in which a malfunction or failure of product could cause loss of human life, bodily injury or damage to property, including data loss or corruption. before customers use the product, create designs including the product, or incorporate the product into their own applications, customers must also refer to and comply with (a) the latest versions of all relevant toshiba information, including without limitation, this document, the specifications, the data sheets and application notes for product and the precautions and conditions set forth in the "toshiba semiconductor reliability handbook" and (b) the instructions for the application with which the product will be used with or for. customers are solely responsible for all aspects of their own product design or applications, including but not limited to (a) determining the appropriateness of the use of this produ ct in such design or applications; (b) evaluating and determining the applicability of any information contained in this document, or in charts, diagrams, programs, algorithms, sample application circuits, or any other referenced documents; and (c) validating all operat ing parameters for such designs and applications. toshiba assumes no liability for customers' product design or applications. ? product is neither intended nor warranted for use in equipments or systems that require extraordinarily high levels of quality and/or reliability, and/or a malfunction or failure of which may cause loss of human life, bodily injury, serious property damage and/or serious public impact ( " unintended use " ). except for specific applications as expressly stated in this document, unintended use includes, withou t limitation, equipment used in nuclear facilities, equipment used in the aerospace industry, medical equipment, equipment used for automobiles, trains, ships and other transportation, traffic signaling equipment, equipment used to control combustions or e xplosions, safety devices, elevators and escalators, devices related to electric power, and equipment used in finance - related fields. if you use product for unintended use, toshiba assumes no liability for product. for details, please contact your toshiba sales representative. ? do not disassemble, analyze, reverse - engineer, alter, modify, translate or copy product, whether in whole or in part. ? product shall not be used for or incorporated into any products or systems whose manufacture, use, or sale is prohibited under any applicable laws or regulations. ? the information contained herein is presented only as guidance for product use. no responsibility is assumed by toshiba for a ny infringement of patents or any other intellectual property rights of third parties that may result from the use of product. no license to any intellectual property right is granted by this document, whether express or implied, by estoppel or otherwise. ? absent a written signed agreement, except as provided in the relevant terms and conditions of sale for product, and to the maximum extent allowable by law, toshiba (1) assumes no liability whatsoever, including without limitation, indirect, consequential, special, or incidental damages or loss, including without limitation, loss of profits, loss of opportunities, business interruption and loss of data, and (2) disclaims any and all express or implied warranties and conditions related to sale, use of product, or information, including warranties or conditions of merchantability, fit ness for a particular purpose, accuracy of information, or noninfringement. ? do not use or otherwise make available product or related software or technology for any military purposes, including without limitation, for the design, development, use, stockpiling or manufacturing of nuclear, chemical, or biological weapons or missile technology products (mass destruction weapons). product and related software and technology may be controlled under the applicable export laws and regulations including, without limitation, the japanese foreign exchange and foreign trade law and the u.s. export administration regulations. export and re - export of product or related software or technology are strictly prohib ited except in compliance with all applicable export laws and regulations. ? please contact your toshiba sales representative for details as to environmental matters such as the rohs compatibility of pr oduct. please use product in compliance with all applicable laws and regulations that regulate the inclusion or use of controlled substances, including without limitation, the eu rohs directive. toshiba assumes no liability for damages or losse s occurring as a result of noncompliance w ith applicable laws and regulations.

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