1/4 rev. b structure silicon monolithic integrated circuit product series 0.5ch motor driver for mobile phone type BH6453GUL features ? built in 1 constant-current driver ? built in resistor for output current detect absolute maximum ra tings (ta=+25c) parameter symbol limit unit power supply voltage vcc -0.5 +4.5 v control input voltage vin -0.5 vcc+0.5 v input voltage for constant-current setting clim -0.5 vcc+0.5 v power dissipation pd 430 1 mw operating temperature range topr -25 +85 c junction temperature tjmax +125 c storage temperature range ts t g - 5 5 +125 c half-bridge output current iout -300 +300 2 ma 1 reduce by 4.3mw/c over 25c, when mounted on a glass epoxy board (50mm 58mm 1.75mm ; 8layers) 2 must not exceed pd, aso, or tjmax of 125c. operating conditions(ta=-25 +85c) parameter symbol min. typ. max. unit power supply voltage vcc 2.3 3.0 3.6 v control input voltage vin 0 - vcc v input voltage for constant-current setting clim 0 - vcc v half-bridge output current iout - - 200 3 ma 3 must not exceed pd or aso. this product isn?t designed for prot ection against radioactive rays. status of this document
2/4 rev. b electrical characteristics (unless ot herwise specified ta=25c, vcc=3.0v) parameter symbol limit unit conditions min. typ. max. over all circuit current during standby operation iccst - 0 5.0 a ps=0v circuit current icc - 0.9 1.3 ma ps=3v, in=3v, no load control input high level input voltage vinh 1.5 - vcc v 1.8v can be put into each control input terminal low level input voltage vinl 0 - 0.5 v 1.8v can be put into each control input terminal high level input current iinh 15 30 60 a vinh=3v, pull down resistance typ.100k ? low level input current iinl -1 0 - a vinl=0v uvlo uvlo voltage vuvlo 1.6 - 2.2 v constant-current drive block pmos output on resistance ronp - 1.2 1.5 ? io=-200ma nmos output on resistance ronn - 0.4 0.5 ? io=+200ma offset current iofs 0 1 5 ma clim=0v output current iout 180 200 220 ma clim=0.8v, rl=5 ? drive system of constant-current i sink : vcc-out current clim: vcc-out current setting voltage r rnf : vcc-out current detection resistance i sink [a] = 2 2.0(typ.)[ ? ] clim[v]
3/4 rev. b package outline pin arrangement (top view) block diagram i/o truth table l: low, h: high, x: don?t care, z: high-impedance 1 2 3 a in clim gnd b ps vcc out input output ps in out l x z h l h h l logic in out pre driver rnf=2.0 bandgap ps power save i sink vcc vcc 0.1 10uf tsd & uvlo vcc gnd clim fig.1 vcsp50l1 package (unit; mm) fig.2 BH6453GUL pin arrangement (top view) side view top view bottom view fi g .3 BH6453GUL block dia g ram tab.1 bh6453gu l i/o truth table v/i converter 0.1 0.05 0.55max p=0.5 2 0.25 0.05 p=0.5 1 0.2 0.05 0.25 0.1 ( 0.15) index post 0.9 0.05 1pin mark 1.5 0.05 ab lot no.
4/4 rev. b operation notes (1) absolute maximum ratings use of the ic in excess of absolute maximum ratings such as the applied voltage or operating temperature range (topr) may result in ic damage. assumptions should not be made regardi ng the state of the ic (short mode or open mode) when such damage is suffered. the implementation of a physical safety meas ure such as a fuse should be considered when use of the ic in a special mode where the absolute maxi mum ratings may be exceeded is anticipated. (2) power supply lines regenerated current may flow as a result of the motor's back el ectromotive force. insert capa citors between the power supply and ground pins to serve as a route for regenerated current. dete rmine the capacitance in full consideration of all the characteristics of the electrolytic ca pacitor, because the electrolytic capaci tor may loose some capacitance at low temperatures. if the connected power supply does not have suffic ient current absorption capa city, regenerative current will cause the voltage on the power supply line to rise, which combi ned with the product and its peripher al circuitry may exceed the absolute maximum ratings. it is recommended to implement a physical safety measure such as the insertion of a voltage clamp diode between the power supply and ground pins. (3) ground potential ensure a minimum gnd pin potenti al in all operating conditions. (4) setting of heat use a thermal design that allows for a sufficient margin in li ght of the power dissipation (pd) in actual operating conditions. (5) actions in strong magnetic field use caution when using the ic in the presence of a strong magnetic field as doi ng so may cause the ic to malfunction. (6) aso when using the ic, set the output transistor for the motor so that it does not exceed absolute maximum ratings or aso. (7) thermal shutdown circuit this ic incorporates a tsd (thermal shut down) circuit (tsd circuit). if the temper ature of the chip reaches the following temperature, the motor coil output will be opened. the thermal shutdow n circuit (tsd circuit) is des igned only to shut the ic o ff to prevent runaway thermal operation. it is not designed to protec t the ic or guarantee its operation. do not continue to use t he ic after operating this circuit or use the ic in an envi ronment where the operation of this circuit is assumed. tsd on temperature [c] (typ.) hysteresis temperature [c] (typ.) 150 20
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