applied voltage power dissipation operating temperature storage temperature v cc pd t opr t stg v mw ? c ? c 30 550 * 70 125 limits 30 ~ +75 *derating : 5.5mw/ ? c for operation above t a=25 ? c (mounted on a 70.0mm 70.0mm 1.6mm glass epoxy pcb.) output current i omax ma junction temperature t jmax ? c unit symbol parameter 2-phase half-wave motor pre-driver BA6409F 1) built-in discrete diode for reverse connection protection. (maximum reverse connection protection voltage: 80v) 2) lock-up detector function & lock-up detector output pin. 3) compact sop8-pin package. fewer external components make mounting spaces smaller . 4) automatic restart when lock-up is removed. 5) hall element input hysteresis circuit is built-in. the BA6409F is a two-phase half-wave motor pre- driver for fan motors. the built-in protection diode eliminates an external diode and the concern of connecting in reverse when fan motors equipped. the device also has a lock-up detector and automatic restart function. there is a lock-up detector output pin on the ic. sop8 99w031a 1999 5 2 2 dimension (units : mm) description features absolute maximum ratings (t a=25 ? c) applications t wo-phase half-wave motor pre-driver for fan motor high reliability 55 ~ +125 applied voltage power dissipation operating temperature storage temperature v cc pd t opr t stg v mw ? c ? c 30 550 * 70 125 limits 30 ~ +75 *derating : 5.5mw/ ? c for operation above t a=25 ? c (mounted on a 70.0mm 70.0mm 1.6mm glass epoxy pcb.) output current i omax ma junction temperature t jmax ? c unit symbol parameter 2-phase half-wave motor pre-driver BA6409F 1) built-in discrete diode for reverse connection protection. (maximum reverse connection protection voltage: 80v) 2) lock-up detector function & lock-up detector output pin. 3) compact sop8-pin package. fewer external components make mounting spaces smaller . 4) automatic restart when lock-up is removed. 5) hall element input hysteresis circuit is built-in. the BA6409F is a two-phase half-wave motor pre- driver for fan motors. the built-in protection diode eliminates an external diode and the concern of connecting in reverse when fan motors equipped. the device also has a lock-up detector and automatic restart function. there is a lock-up detector output pin on the ic. sop8 99w031a 1999 5 2 2 dimension (units : mm) description features absolute maximum ratings (t a=25 ? c) applications t wo-phase half-wave motor pre-driver for fan motor high reliability 55 ~ +125
v v 28 vcc-1.7 input voltage * vbh 1.0 ? ? supply voltage v cc 5.2 parameter symbol min. t yp. max. unit *input voltage includes signal amplitude. pin6 charge/discharge current ratio rcd 8 4.5 3 i6c/i6d circuit current hall amplifier input hysteresis (+) pin3 "l"output voltage pin3 current capacity pin6 charge current pin6 discharge current pin6 clamp voltage pin6 comparater voltage v6cp v 0.8 0.6 0.4 i cc v hya+ v hya e v3l i3 i6c i6d v6cl ma mv mv v ma a a v 5.0 +15 ? ? ? ? ? ? ? ? ? ? e 15 0.5 5.25 1.45 3.0 3.2 3.45 0.80 2.6 +3 e 3 8.0 2.0 0.35 2.2 output of f vb=6v (v oltage on pin2 with respect to pin4) vb=6v i3l=5.0ma v3l=2.0v v6pin=1.5v v6pin=1.5v conditions symbol unit min. t yp. max. * the products described herein are not designed to be x ray proof. pin7 "h"output voltage pin8 "h"output voltage v7h v8h 8.8 8.8 9.8 9.8 v v io=10ma io=10ma parameter (unless otherwise noted, t a=25 ? c , vcc=12v) recommended operating conditions (t a=25 ? c) electrical characteristics application circuit aut oma tic reset circuit lock detection logic regu- la t o r hall amp 4 3 hall element 2 1 87 6 5 vcc (v oltage on pin2 with respect to pin4) hall amplifier input hysteresis ( e ) v v 28 vcc-1.7 input voltage * vbh 1.0 ? ? supply voltage v cc 5.2 parameter symbol min. t yp. max. unit *input voltage includes signal amplitude. pin6 charge/discharge current ratio rcd 8 4.5 3 i6c/i6d circuit current hall amplifier input hysteresis (+) pin3 "l"output voltage pin3 current capacity pin6 charge current pin6 discharge current pin6 clamp voltage pin6 comparater voltage v6cp v 0.8 0.6 0.4 i cc v hya+ v hya e v3l i3 i6c i6d v6cl ma mv mv v ma a a v 5.0 +15 ? ? ? ? ? ? ? ? ? ? e 15 0.5 5.25 1.45 3.0 3.2 3.45 0.80 2.6 +3 e 3 8.0 2.0 0.35 2.2 output of f vb=6v (v oltage on pin2 with respect to pin4) vb=6v i3l=5.0ma v3l=2.0v v6pin=1.5v v6pin=1.5v conditions symbol unit min. t yp. max. * the products described herein are not designed to be x ray proof. pin7 "h"output voltage pin8 "h"output voltage v7h v8h 8.8 8.8 9.8 9.8 v v io=10ma io=10ma parameter (unless otherwise noted, t a=25 ? c , vcc=12v) recommended operating conditions (t a=25 ? c) electrical characteristics application circuit aut oma tic reset circuit lock detection logic regu- la t o r hall amp 4 3 hall element 2 1 87 6 5 vcc (v oltage on pin2 with respect to pin4) hall amplifier input hysteresis ( e )
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