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BQ24027DRCTG4 Datasheet(PDF) 3 Page - Texas Instruments

Part # BQ24027DRCTG4
Description  SINGLE-CHIP, LI-ION AND LI-POL CHARGER IC WITH AUTONOMOUS USB-PORT AND AC-ADAPTER SUPPLY MANAGEMENT (bqTINY-II)
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

BQ24027DRCTG4 Datasheet(HTML) 3 Page - Texas Instruments

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(1)
I
O(OUT) +
K
(SET)
V
(SET)
R
SET
RECOMMENDED OPERATING CONDITIONS
ELECTRICAL CHARACTERISTICS
bq24020,, bq24022,, bq24023
bq24024, bq24025, bq24026
bq24027
SLUS549D – DECEMBER 2002 – REVISED MARCH 2006
over operating free-air temperature range (unless otherwise noted)
MIN
NOM
MAX
UNIT
Supply voltage (from AC input), VCC
4.5
6.5
V
Supply voltage (from USB input), VCC
4.35
6.5
V
Operating junction temperature range, TJ
–40
125
°C
over 0°C
≤ T
J ≤ 125°C and recommended supply voltage, unless otherwise noted
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
INPUT CURRENT
ICC(VCC)
VCC current
VCC > VCC(min)
1.2
2.0
mA
ICC(SLP)
Sleep current
Sum of currents into OUT pin, VCC < V(SLP)
2
5
ICC(STBY)
Standby current
CE = High
0°C
≤T
J ≤ 85°C
1
150
IIB(OUT)
Input current on OUT pin
Charge DONE
VCC > VCC(MIN)
5
µA
IIB(CE)
Input current on CE pin
1
IIB(TTE)
Input bias current on TTE pin
1
IIB(TE)
Input bias current on TE pin
1
VOLTAGE REGULATION VO(REG) + V(DO-MAX) ≤ VCC , I(TERM) < IO(OUT) ≤ 1 A
VO(REG)
Output voltage,
4.20
V
TA = 25°C
–0.35%
0.35%
Voltage regulation accuracy
–1%
1%
VO(OUT) = VO(REG)
IO(OUT) = 1A
350
500
V(DO)
AC dropout voltage (V(AC)–V(OUT))
VO(REG) + V(DO-MAX)) ≤ VCC
VO(OUT) = VO(REG)
ISET2 = High
350
500
mV
VO(REG) + V(DO-MAX)) ≤ VCC
USB dropout voltage
V(DO)
(V(USB) – V(OUT))
VO(OUT) = VO(REG)
ISET2 = Low
60
100
VO(REG) + V(DO-MAX)) ≤ VCC
CURRENT REGULATION
VI(OUT) > V(LOWV)
VCC ≥ 4.5 V
50
1000
IO(OUT)
AC output current range(1)
VI(AC)– VI(OUT) > V(DO-MAX)
VCC(MIN) ≥ 4.5 V
VI(OUT) > V(LOWV)
80
100
mA
VUSB– VI(OUT) > V(DO-MAX)
ISET2 = Low
IO(OUT)
USB output current range
VCC(MIN) ≥ 4.5 V
VI(OUT) > V(LOWV)
400
500
VUSB– VI(OUT) > V(DO-MAX)
ISET2 = High
Voltage on ISET1 pin, VCC ≥ 4.5 V, VIN ≥ 4.5 V,
2.463
2.500
2.538
V(SET)
Output current set voltage
V
VI(OUT) > V(LOWV), VIN– VI(OUT) > V(DO-MAX)
50 mA
≤ I
O(OUT) ≤ 1 A
307
322
337
K(SET)
Output current set factor
10 mA
≤ I
O(OUT) < 50 mA
296
320
346
1 mA
≤ I
O(OUT) < 10 mA
246
320
416
3
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