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99W063A
Charging control driver IC for Portable telephone
BH3890FV
Description The BH3890FV is a charging IC developed for a lithium ion battery (1 cell). Back-up charging circuit and charging current monitor circuit are included. This IC is directed by a micro computer controller. Features 1) Built-in charging driver circuit 2) Built-in charging current monitor circuit 3) Built-in back-up charging circuit 4) Small package SSOP-B8 Applications
Dimension
(Units : mm)
SSOP-B8
Portable telephone, PHS, equipment involving lithium ion battery Absolute Maximum Ratings (Ta=25C)
Parameter Maximum supply voltage Power dissipation Operating temperature range Storage temperature range Symbol VCCMAX Pd Topr Tstg -20 Limits -0.3 ~ +7.0 300
*
Unit V mW C C
~ +70
-55 ~ +125
* Derating : 3.0mW/C for operation above Ta=25C.
Recommended Operating Conditions (Ta=25C)
Parameter Power supply voltage Symbol VCC Min. 5 Typ. -- Max. 6 Unit V
November, 1999
Electrical Characteristics (Unless otherwise noted, Ta=25C, Vcc= 5.5V, BPF=20 ~ 20kHz)
Min. Typ. Max. Parameter Symbol Circuit current 1 IQ1 -- 530 800 Circuit current 2 IQ2 -- 1.0 1.7 Circuit current 3 IQ3 -- 1.4 2.1 (Current influx into BATV terminal ) Circuit current 4 IQ4 -- 0 5 Output voltage 1 Output voltage 2 Coefficient of output voltage inclination Ripple rejection rate VOC1 VOC2 LINC RRC 2.37 0.44 12.7 30 -- 4.35 30 10 4.15 30 -- -- 2.57 0.54 13.5 40 -- 4.45 40 15 4.20 40 5 5 2.77 0.64 14.3 -- 3.5 4.55 -- 20 4.25 -- 30 30 Unit A mA mA A V V -- dB V V dB mA V dB mV mV Conditions CHG1=OFF, CHG2=OFF CHG1=ON, REG=No load CHG2=ON, CHARGE section=No load CHG1=OFF, CHG2=OFF, Vcc=0V BATV=4.0V VBATVH-VBATV=150mV VBATVH-VBATV=0V LINC=(VOC1-VOC2) / 0.15 VR=-20dBV, fR=100Hz, VBATVH=4.215V, VBATV=4.2V VCC (VOC2 0.4V) IO=5mA VR=-30dBV, fR=100Hz, IO=5mA VOR 4.0V IO=100mA VR=-20dBV, fR=100Hz, IO=100mA IO=1~800mA VCC=5.0~6.0V, IO=100mA
Starting up voltage VCCST (CHG1=ON, CHG2=OFF) Output voltage VOR Ripple rejection rate RRR Maximum output current IORMAX (CHG1=OFF, CHG2=ON) Control voltage VOB Ripple rejection rate RRB Load regulation VOB1 Input voltage stability VOB2
Application circuit
Appendix
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.
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. 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.
Appendix1-Rev1.0

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