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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
bq24702
bq24703
SLUS553E – MAY 2003 – REVISED OCTOBER 2007
www.ti.com
ELECTRICAL CHARACTERISTICS (Continued)
–40°C TJ 125°C, 7 VDC VCC 28 VDC, all voltages relative to VSS (unless otherwise specified)
PARAMETER
TEST CONDITIONS
MIN
TYP
BATTERY CURRENT OUTPUT AMPLIFIER
G(TR) Transfer gain
VI(BAT)
Battery current readback output
voltage (IBAT)
Line rejection voltage
CM Common-mode input range (SRP)
(SRP–SRN) = 5 mV(1)
(SRP–SRN) = 5 mV, SRP = 12 V,
VCC = 18 V, TJ = 25°C
TJ = 25°C
20
100
10
5
VO(IBA Battery current output voltage
T)
range (IBAT)
0
IS(O) Output source current (IBAT)
(SRP–SRN) = 100 mV
(SRP–SRN) = 50 mV, TJ = 25°C(1)
5
7.1
–3%
Total battery current readback
full-scale accuracy
(SRP–SRN) = 50 mV,
0°C TJ 85°C
(SRP–SRN) = 100 mV,
TJ = 25°C(1)
–20%
–1.5%
(SRP–SRN) = 100 mV,
0°C < TJ < 85°C
–6%
5-V VOLTAGE REFERENCE
Vref Output voltage (VREF)
Line regulation
Load regulation
Short circuit current
TJ = 25°C
TJ = 0°C to 85°C
TJ = 40°C to 85°C
TJ = –40°C to 125°C
ILOAD = 5 mA
1 mA ILOAD 5 mA
4.985
5
4.946
5
4.946
5
4.926
5
0.1
1.1
8
20
5V REF output capacitor
Capacitance
2.2
Output capacitor equivalent
resistor
ESR
5
HALF SUPPLY REGULATOR
V(HSP) Voltage regulation
I(SINK) = 20 mA, VCC = 18 V
I(SINK) = 1 mA, VCC = 7 V
VCC – 11 VCC – 10.2
(1)
Battery
readback
transfer
gainGTR
+
VIBAT
(SRP * SRN)
MAX
28
2.5
9.4
2.4%
20%
1.2%
8.5%
5.013
5.013
5.03
5.03
0.37
4
30
10
1000
VCC – 8.5
1.5
UNIT
V/V
mV
mV/V
V
V
mA
V
V
V
mV/V
mV/mA
mA
μF
m
V
8
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