Rohm BH3890FV Charging control driver ic for portable telephone bh3890fv Datasheet

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