參數(shù)資料
型號： TPS650732TRSLRQ1
廠商： TEXAS INSTRUMENTS INC
元件分類： 電源管理
英文描述： POWER SUPPLY SUPPORT CKT, PQCC48
封裝： 6 X 6 MM, 0.4 MM PITCH, GREEN, PLASTIC, QFN-48
文件頁數(shù)： 4/90頁
文件大?。?/td> 1375K
代理商： TPS650732TRSLRQ1
SLVSAP7 – JANUARY 2011
www.ti.com
BATTERY CHARGER
(1)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
CHARGER SECTION
Battery discharge current
2
A
–1%
4.10
1%
Depending on setting in CHGCONFIG2
–1%
4.15
1%
Vo(BATREG)
Battery charger voltage
And internal EEPROM
V
–1%
4.20
1%
Default = 4.20V
–1%
4.25
1%
default = 2.9 V set with
2.9
VLOWV
Pre-charge to fast-charge transition threshold
V
Bit <Precharge Voltage>
2.5
Deglitch time on pre-charge to fast-charge
tDGL1(LOWV)
25
ms
transition
Deglitch time on fast-charge to pre-charge
tDGL2(LOWV)
25
ms
transition
VBAT(REG) > VBAT > VLOWV, VIN = VAC or VUSB =
ICHG
Battery fast charge current range
100
1500
mA
5 V
VBAT > VLOWV, VIN = 5 V, IIN-MAX > ICHG, no
ICHG
Battery fast charge current
load on SYS pin, thermal loop not active,
KISET/RISET
A
DPPM loop not active
KISET
Fast charge current factor
for a charge current of 1500 mA
840
900
1000
A
KISET
Fast charge current factor
for a charge current of 100 mA
930
1100
1200
A
0.08×
0.1×
0.12×
IPRECHG
Pre-charge current
A
ICHG
Charge current value for termination detection
0.08×
0.1×
0.13×
ITERM
A
threshold (internally set)
ICHG
tDGL(TERM)
Deglitch time, termination detected
25
ms
VRCH
Recharge detection threshold
Voltage below nominal charger voltage
150
100
65
mV
tDGL(RCH)
Deglitch time, recharge threshold detected
125
ms
VBAT = 3.6V. Time measured from
tDGL(NO-IN)
Delay time, input power loss to charger turn-off
20
ms
VIN: 5V
→ 3.3V 1ms fall-time
IBAT(DET)
Sink current for battery detection
3
10
mA
tDET
Battery detection timer
250
ms
Safety timer range, thermal and DPM not
4
active selectable by I2C with Bits
5
TCHG
Charge safety timer
–15%
15%
h
<ChargeSafetyTimerValue1>
6
<ChargeSafetyTimerValue0>
8
Pre charge timer range, thermal and
25
30
35
TPRECHG
Precharge timer
DPM/DPPM loops not active scalable with
min
50
60
70
<Precharge Time>
Maximum value for pre-charge safety timer,
TPCHGADD
Pre-charge safety timer “add-on” time range
0
2×TCHG
h
thermal, DPM or DPPM loops always active
BATTERY-PACK NTC MONITOR
10 k curve 2 NTC
–2%
7.35
2%
k
Pull-up resistor from thermistor to Internal LDO .
RT1
I2C selectable
100 k curve 1 NTC
–2%
62.5
2%
k
VHOT
High temperature trip point (set to 45°C)
Battery charging
860
mV
VHYS(HOT)
Hysteresis on high trip point (set to 3°C)
Battery charging
50
mV
VCOLD
Low temperature trip point (set to 0°C)
Battery charging
1660
mV
VHYS(COLD)
Hysteresis on low trip point (set to 3°C)
Battery charging
50
mV
VnoNTC
No NTC detected
NTC error
2000
mV
Deglitch time for thermistor detection after
THRMDLY
3
ms
thermistor power on
tDGL(TS)
Deglitch time, pack temperature fault detection
Battery charging
50
ms
(1)
The Battery Charger is DISABLED by default
12
Copyright 2011, Texas Instruments Incorporated
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