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Ordering number : ENA0649
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Bi-CMOS LSI
LV8080LP
Overview
Two channels Constant-current H-bridge Driver
The LV8080LP is a two-channel constant-current driver that supports low-voltage operation. It is optimal for constant-current drive of stepping motors (AF and zoom) in portable equipment such as camera cell phones.
Features
* Two channels constant-current H-bridge driver * Built-in power supply switch and position detection comparator for use with a photoreflector * Supports both 2-phase drive and 1-2 phase drive. * Implemented in a low-power MOS IC process. * Ultraminiature easy to solder VCT16 package (2.6 x 2.6mm) * Built-in thermal protection and low-voltage sensing circuits
Specifications
Absolute Maximum Ratings at Ta = 25C
Parameter Maximum supply voltage Output voltage Input voltage Ground pin source current Allowable power dissipation Operating temperature Storage temperature Symbol VCC, VM max VOUT max VIN max IGND Pd max Topr Tstg OUT1, OUT2, OUT3, OUT4 CONT, IN Per channel Mounted on a circuit board.* Conditions Ratings 6.5 6.5 -0.3 to +6.5 400 700 -30 to +85 -40 to +150 Unit V V V mA mW C C
* Specified circuit board : 40x50x0.8mm3 : 4-layer (2S2P) glass epoxy printed circuit board
Any and all SANYO Semiconductor Co.,Ltd. products described or contained herein are, with regard to "standard application", intended for the use as general electronics equipment (home appliances, AV equipment, communication device, office equipment, industrial equipment etc.). The products mentioned herein shall not be intended for use for any "special application" (medical equipment whose purpose is to sustain life, aerospace instrument, nuclear control device, burning appliances, transportation machine, traffic signal system, safety equipment etc.) that shall require extremely high level of reliability and can directly threaten human lives in case of failure or malfunction of the product or may cause harm to human bodies, nor shall they grant any guarantee thereof. If you should intend to use our products for applications outside the standard applications of our customer who is considering such use and/or outside the scope of our intended standard applications, please consult with us prior to the intended use. If there is no consultation or inquiry before the intended use, our customer shall be solely responsible for the use. Specifications of any and all SANYO Semiconductor Co.,Ltd. products described or contained herein stipulate the performance, characteristics, and functions of the described products in the independent state, and are not guarantees of the performance, characteristics, and functions of the described products as mounted in the customer's products or equipment. To verify symptoms and states that cannot be evaluated in an independent device, the customer should always evaluate and test devices mounted in the customer's products or equipment.
O1007 MS PC 20061128-S00006 No.A0649-1/8
LV8080LP
Allowable Operating Ratings at Ta = 25C
Parameter Supply voltage High-level input voltage Low-level input voltage Symbol VCC VIH VIL CONT, IN Conditions Ratings
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Unit 2.5 to 6.0 V V V
0.6VCC or more Up to 0.2VCC
Electrical Characteristics at Ta = 25C, VCC = 3.0V
Parameter Current drain Symbol ICCO ICCO1 Output on resistance Ron1 EN = 0V EN = 3V VCC = 3.0V (High and low side total) EN = 3.0V, IOUT = 100mA VCC = 5.0V (High and low side total) EN = 5.0V, IOUT = 100mA Between RFG and ground : 1 Between RFG and ground : 0.5 (Design specification) Output turn-on time Output turn-off time Position detection voltage (high level) Position detection voltage (low level) Detection voltage hysteresis PI/PR pin current Input current HYS IPI/PR IIN VIN = 3V 15 0.165 0.18 0.195 20 30 V mA A VL 0.74 0.8 V Traise Tfall VH With RFG1 and RFG2 shorted to ground (Design specification) With RFG1 and RFG2 shorted to ground (Design specification) 1.0 1.06 V 0.25 0.65 s 1.3 3 s 95 190 Conditions min Ratings typ 0.1 0.7 2.0 max 1 1 3.0 A mA mA mA Unit
Ron2
1.50
2.0
Constant-current output 1 Constant-current output 2
IOUT1 IOUT2
100 200
105 210
Note : The design specification items are design guarantees and are not measured.
Package Dimensions
unit : mm (typ) 3318
TOP VIEW 2.6 SIDE VIEW BOTTOM VIEW (0.125)
Pin Assignment
(VCT16)
RFG1 16 OUT1
(0.13)
VCC 15
PI/PR COMPOUT 14 13 12 COMPIN
1
(C0.116)
OUT2
2
11 GND
2.6
0.4
16
OUT3
3
10 CONT
2 LASER MARKED INDEX 0.5 (0.55)
1
OUT4 (Top View)
4 5 RFG2 6 IN3 7 IN4 8 IN1
9
IN2
SIDE VIEW
(0.035)
0.25
0.8
SANYO : VCT16(2.6X2.6)
No.A0649-2/8
LV8080LP
Block Diagram
VCC
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IN1 STM IN2 IN3 IN4 L O G I C
VM
RFG1
CONT
0.1V
1.0V
LVS
TSD
COMPIN
COMPOUT
PI/PR
GND
RFG2
Constant-current calculation : IOUT = 0.1 / RF Example : When an IOUT of 100mA is required, RF must be 1. Usage Notes The constant current is set by the resource RF connected between RFG and ground according to the formula shown above.
Truth Table
Input IN1 Low Low High High IN2 Low High Low High Low High High High Low High Off Off IN3 Low IN4 Low OUT1 Off Low High Low OUT2 Off High Low Low Low High Low High Low Low Off Off Output OUT3 Off OUT4 Off Standby mode Channel 1, reverse Channel 1, forward Channel 1, brake mode Channel 2, reverse Channel 2, forward Channel 2, brake mode Mode
Note : The "-" input unstable state. When off, a high-impedance state. * The ENA goes to the standby state with a low-level input, and to the operating state with a high-level input. * The control input switches the forward/reverse mode.
No.A0649-3/8
LV8080LP
Pin Description
Pin No. 1 2 3 4 5 16 Pin Name OUT1 OUT2 OUT3 OUT4 RFG2 RFG1 5, 16 : Current sensing resistor connection pins Connect the current sensing resistor between these pins and ground to detect the output currents for constant current control. Pin 16 corresponds to the output from pins 1 and 2 and pin 5 to the output from pins 1 and 2. 1-4 : Output pins H-bridge type output pins Pins 1 and 2 are paired and pins 3 and 4 are paired. Description Equivalent Circuit
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VCC
1
2
+
10k 0.1V 5
6 7 8 9 10
IN3 IN4 IN1 IN2 CONT
Logic input pins
VCC
6
10k
200k
GND
11 12 GND COMPIN Ground Photo reflector position sensing comparator input
VCC
1k 12
GND
13 COMPOUT Photo reflector position sensing comparator output This pin serves as an open-collector output of the NPN transistor.
1k 13
GND
Continued on next page.
No.A0649-4/8
LV8080LP
Continued from preceding page. Pin No. 14 Pin Name PI/PR Description A switch, with NMOS open-drain output, used to turn on/off the power supply of the position sensor unit. When using this switch, connect the position sensor unit between this pin and the VCC pin. On/off control of this switch is accomplished by CONT pin. Setting the CONT pin high turns on the switch. Equivalent Circuit
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VCC
6
GND
15 VCC Power supply pin
Timing Chart (1) Stepper motor timing chart Timing chart for 2-phase drive
IN1
IN2
IN3
IN4
Channel 1 output mode
Standby
Forward
Reverse
Forward
Reverse
Forward
Standby
Channel 2 output mode
Standby
Forward
Reverse
Forward
Reverse Forward
Standby
(2) Timing chart for 1-2 phase drive (Slow decay mode)
IN1
IN2
IN3
IN4
Channel 1 output mode
Standby
Forward Brake
Reverse
Brake
Forward
Standby
Channel 2 output mode
Standby
Forward
Brake
Reverse
Brake Forward
Standby
No.A0649-5/8
LV8080LP
Photosensor Position Detection Application Circuit Example (a) Application circuit
Sensor power supply VCC
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Microcontroller power supply
10k Tr COMPIN COMPOUT
IC peripheral circuits : Position sensor block
IC internal circuits : Position detection circuit
(b) Timing chart
VCC
CONT
1.00V COMPIN
Hysteresis : 0.2 V
Transistor drive region Microcontroller power supply COMPOUT
VCC PI/PR
No.A0649-6/8
LV8080LP
100 90
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1.0 0.9
ICCO - VCC
ICCO1 - VCC
70 60 50 40 30 20 10 0 0 1 2 3 4 5 6 7 8
Current drain, ICCO1 - mA
Current drain, ICCO - nA
80
0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 0 1 2 3 4 5 6 7
1.5 1.4 1.3 1.2 1.1 1 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0
Output on resistance (High and low side total)
Supply voltage, VCC - V
0.105 0.104 0.103
Constant-current output (Between RFG and ground : 1)
Supply voltage, VCC - V
Output current, IO - A
0.102 0.101 0.1 0.099 0.098 0.097 0.096 0.095
Vsat - V
VCC = 3V VCC = 5V
0
0.1
0.2
0.3
0.4
0.5
0.6
0
1
2
3
4
5
6
7
3.5
Position detection circuit threshold voltage
Output current, IO - A
0.4 0.35 0.3 0.25 0.2
PI/PR pin current (VCC = 3V/5V)
Supply voltage, VCC - V
3
Output voltage, VO - V
2.5
2
PI/PR pin voltage - V
1.5
VCC = 3V
0.15 0.1 0.05 0
1
VCC = 5V
0.5 0 0.8
0.85
0.9
0.95
1
1.05
0
0.002 0.004 0.006 0.008 0.01 0.012 0.014 0.016 0.018 0.02
50 45 40
Input current (VIN = 3V)
Input voltage, VIN - V
PI/PR pin current - A
Input current, IIN - A
35 30 25 20 15 10 5 0 0 1 2 3 4 5 6 7
Supply voltage, VCC - V
No.A0649-7/8
LV8080LP
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This catalog provides information as of October, 2007. Specifications and information herein are subject to change without notice. PS No.A0649-8/8

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