dimension (units : mm) descr iption applications f eatures absolute maxim um ratings (t a=25 ? c) recommended oper ating conditions (t a=25 ? c) charging control dr iv er ic f or 1) built-in charging dr iv er circuit 2) built-in charging current monitor circuit 3) built-in bac k-up charging circuit 4) small pac kage ssop-b8 the BH3890FV is a charging ic de v eloped f or a lithium ion batter y (1 cell). bac k-up charging circuit and charging current monitor circuit are included. this ic is directed b y a micro computer controller . ssop-b8 BH3890FV 99w063a p or tab le telephone , phs , equipment in v olving lithium ion batter y no v ember , 1999 maxim um supply v oltage p o w er dissipation oper ating temper ature r ange stor age temper ature r ange v cc max pd t opr tstg v ? c ? c unit mw 300 20 +70 55 +125 limits 0.3 +7.0 ~ ~ ~ * symbol p ar ameter * der ating : 3.0mw/ ? c f or oper ation abo v e t a=25 ? c . p o w er supply v oltage v cc v 5 6 p ar ameter symbol unit min. t yp . max. p or tab le telephone
application circuit electrical characteristics iormax vor vob vccst rrr rrb vob1 vob2 10 4.35 4.15 30 30 maximum output current output voltage control voltage starting up voltage ripple rejection rate ripple rejection rate load regulation input voltage stability 15 4.45 4.20 40 40 5 5 20 4.55 4.25 3.5 30 30 ma v v db db mv mv v vcc (voc2 0.4v) vr= 30dbv , fr=100hz, io=5ma vor 4.0v vr= 20dbv , fr=100hz, io=100ma io=100ma vcc=5.0~6.0v , io=100ma io=1~800ma rrc 30 ripple rejection rate 40 db vr= 20dbv , fr=100hz, vba tvh=4.215v , vba tv=4.2v (chg1=on, chg2=off) (chg1=off , chg2=on) io=5ma conditions symbol unit min. max. iq4 voc1 voc2 linc iq1 iq2 iq3 parameter 2.37 0.44 12.7 output voltage 2 coef ficient of output voltage inclination output voltage 1 t yp. 0 2.57 0.54 13.5 530 1.0 1.4 5 2.77 0.64 14.3 800 1.7 2.1 a v ma ma v chg1=off , chg2=off chg1=on, reg=no load chg2=on, charge section=no load chg1=off , chg2=off , vcc=0v ba tv=4.0v vba tvh vba tv=150mv vba tvh vba tv=0v linc=(voc1 voc2) / 0.15 (current influx into ba tv terminal ) circuit current 1 circuit current 2 circuit current 4 circuit current 3 a (unless otherwise noted, t a=25 ? c, vcc= 5.5v , bpf=20 ~ 20khz)
appendix appendix1-rev1.0 the products listed in this document are designed to be used with ordinary electronic equipment or devices (such as audio visual equipment, office-automation equipment, communications devices, electrical appliances and electronic toys). should you intend to use these products with equipment or devices which require an extremely high level of reliability and the malfunction of with would directly endanger human life (such as medical instruments, transportation equipment, aerospace machinery, nuclear-reactor controllers, fuel controllers and other safety devices), please be sure to consult with our sales representative in advance. notes no technical content pages of this document may be reproduced in any form or transmitted by any means without prior permission of rohm co.,ltd. the contents described herein are subject to change without notice. the specifications for the product described in this document are for reference only. upon actual use, therefore, please request that specifications to be separately delivered. application circuit diagrams and circuit constants contained herein are shown as examples of standard use and operation. please pay careful attention to the peripheral conditions when designing circuits and deciding upon circuit constants in the set. any data, including, but not limited to application circuit diagrams information, described herein are intended only as illustrations of such devices and not as the specifications for such devices. rohm co.,ltd. disclaims any warranty that any use of such devices shall be free from infringement of any third party's intellectual property rights or other proprietary rights, and further, assumes no liability of whatsoever nature in the event of any such infringement, or arising from or connected with or related to the use of such devices. upon the sale of any such devices, other than for buyer's right to use such devices itself, resell or otherwise dispose of the same, no express or implied right or license to practice or commercially exploit any intellectual property rights or other proprietary rights owned or controlled by rohm co., ltd. is granted to any such buyer. products listed in this document use silicon as a basic material. products listed in this document are no antiradiation design. about export control order in japan products described herein are the objects of controlled goods in annex 1 (item 16) of export trade control order in japan. in case of export from japan, please confirm if it applies to "objective" criteria or an "informed" (by miti clause) on the basis of "catch all controls for non-proliferation of weapons of mass destruction.
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