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BQ24702PW View Datasheet(PDF) - Texas Instruments

Part NameBQ24702PW Texas-Instruments
Texas Instruments Texas-Instruments
DescriptionMULTICHEMISTRY BATTERY CHARGER CONTROLLER AND SYSTEM POWER SELECTOR
BQ24702PW Datasheet PDF : 37 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
www.ti.com
bq24702
bq24703
SLUS553E – MAY 2003 – REVISED OCTOBER 2007
ELECTRICAL CHARACTERISTICS
–40°C TJ 125°C, 7 VDC VCC 28 VDC, all voltages relative to VSS (unless otherwise specified)
PARAMETER
TEST CONDITIONS
MIN
QUIESCENT CURRENT
IDD(OP)
Total chip operating current
ACPRES = High, EN = 0
1
IDD(SLEEP)
Total battery sleep current, ac not present
ACPRES = Low
LOGIC INTERFACE DC CHARACTERISTICS
VOL
Low-level output voltage (ACPRES, ALARM) IOL = 1 mA
VIL
Low-level input voltage (ACSEL, ENABLE)
VIH
High-level input voltage (ACSEL, ENABLE)
1.8
I(SINK1)
Sink current (ACPRES)
VOL = 0.4
1.5
I(SINK2)
Sink current (ALARM)
VOL = 0.4
1.5
PWM OSCILLATOR
fOSC(PWM)
Oscillator frequency
Maximum duty cycle
0°C TJ 85°C
–40°C TJ 125°C
280
240
100%
Input voltage for maximum dc (COMP)
3.8
Minimum duty cycle
Input voltage for minimum dc (COMP)
V(RAMP)
VIK(COMP)
Oscillator ramp voltage (peak-to-peak)
Internal input clamp voltage
(tracks COMP voltage for maximum dc)
1.85
IS(COMP)
Internal source current (COMP)
LEAKAGE CURRENT
Error amplifier = OFF, V(COMP) = 1 V
70
IL(ACDET)
IL(SRSET)
IL(ACSET)
IL(BATDEP)
IL(VS)
IL(ALARM)
IL(ACSEL)
IL(ENABLE)
IL(ACPRES)
IL(BATP)
IL(BATSET)
Leakage current, ACDET
Leakage current, SRSET
Leakage current, ACSET
Leakage current, BATDEP
Leakage current, VS
Leakage current, ALARM
Leakage current, ACSEL
Leakage current, ENABLE
Leakage current, ACPRES
Leakage current, BATP
Leakage current, BATSET
V(ACDET) = 5 V
V(SRSET) = 2.5 V
V(ACSET) = 2.5 V
V(BATDEP) = 5 V
V(VS) = 5 V
V(ALARM) = 5 V
V(ACSEL) = 5 V
V(ENABLE) = 5 V
V(ACPRES) = 5 V
V(BATP) = 5 V
V(BATSET) = 2.5 V
TYP MAX UNIT
1.6
6 mA
22
28 μA
0.4 V
0.6 V
V
2 2.5 mA
2 2.5 mA
300 340
kHz
300 350
V
0%
0.8 V
2.15 2.30
3.8 4.5
110 140 μA
0.2 μA
0.2 μA
0.2 μA
0.2 μA
0.2 μA
0.2 μA
0.2 μA
0.2 μA
0.2 μA
0.2 μA
0.2 μA
Copyright © 2003–2007, Texas Instruments Incorporated
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