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BH3890FV 반도체 회로 부품 판매점

Charging control driver IC for Portable telephone BH3890FV



ROHM Semiconductor 로고
ROHM Semiconductor
BH3890FV 데이터시트, 핀배열, 회로
Charging control driver IC for
Portable telephone
BH3890FV
99W063A
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.
Dimension (Units : mm)
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
Portable telephone, PHS, equipment involving lithium ion battery
SSOP-B8
Absolute Maximum Ratings (Ta=25˚C)
Parameter
Symbol
Maximum supply voltage
Power dissipation
VCCMAX
Pd
Operating temperature range Topr
Storage temperature range
Tstg
* Derating : 3.0mW/˚C for operation above Ta=25˚C.
Limits
–0.3 ~ +7.0
300 *
–20 ~ +70
–55 ~ +125
Unit
V
mW
˚C
˚C
Recommended Operating Conditions (Ta=25˚C)
Parameter
Power supply voltage
Symbol
VCC
Min.
5
Typ.
Max.
6
Unit
V
November, 1999


BH3890FV 데이터시트, 핀배열, 회로
Electrical Characteristics (Unless otherwise noted, Ta=25˚C, Vcc= 5.5V, BPF=20 ~ 20kHz)
Parameter
Symbol Min. Typ. Max. Unit
Conditions
<VCC circuit current>
Circuit current 1
IQ1 — 530 800 µA CHG1=OFF, CHG2=OFF
Circuit current 2
IQ2 — 1.0 1.7 mA CHG1=ON, REG=No load
Circuit current 3
IQ3 — 1.4 2.1 mA CHG2=ON, CHARGE section=No load
<BATV circuit current> (Current influx into BATV terminal )
Circuit current 4
IQ4
—0
5 µA CHG1=OFF, CHG2=OFF, Vcc=0V BATV=4.0V
<CURRENT>
Output voltage 1
VOC1 2.37 2.57 2.77 V VBATVH–VBATV=150mV
Output voltage 2
VOC2 0.44 0.54 0.64 V VBATVH–VBATV=0V
Coefficient of output
voltage inclination
LINC 12.7 13.5 14.3 — LINC=(VOC1–VOC2) / 0.15
Ripple rejection rate
RRC
VR=–20dBV, fR=100Hz, VBATVH=4.215V,
30 40 — dB VBATV=4.2V
Starting up voltage
VCCST
<REG> (CHG1=ON, CHG2=OFF)
— 3.5
V VCC (VOC2≥ 0.4V)
Output voltage
VOR 4.35
Ripple rejection rate
RRR 30
Maximum output current IORMAX 10
<CHARGE> (CHG1=OFF, CHG2=ON)
Control voltage
VOB 4.15
Ripple rejection rate
RRB 30
Load regulation
∆ VOB1 —
Input voltage stability
∆ VOB2 —
4.45 4.55
40 —
15 20
4.20 4.25
40 —
5 30
5 30
V IO=5mA
dB VR=–30dBV, fR=100Hz, IO=5mA
mA VOR≤ 4.0V
V IO=100mA
dB VR=–20dBV, fR=100Hz, IO=100mA
mV IO=1~800mA
mV VCC=5.0~6.0V, IO=100mA
Application circuit




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BH3890FV driver

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Charging control driver IC for Portable telephone BH3890FV - ROHM Semiconductor