Datasheet
TPS65070, TPS65072, TPS65073
TPS650731, TPS650732, TPS650701, TPS650702, TPS650721
SLVS950G –JULY 2009–REVISED MAY 2013
www.ti.com
BATTERY CHARGER
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%
And internal EEPROM
V
o(BATREG)
Battery charger voltage V
Default = 4.20V (except TPS650721)
–1% 4.20 1%
Default = 4.10V (for TPS650721)
–1% 4.25 1%
default = 2.9 V set with 2.9
V
LOWV
Pre-charge to fast-charge transition threshold V
Bit <Precharge Voltage> 2.5
Deglitch time on pre-charge to fast-charge
t
DGL1(LOWV)
25 ms
transition
Deglitch time on fast-charge to pre-charge
t
DGL2(LOWV)
25 ms
transition
V
BAT(REG)
> V
BAT
> V
LOWV
, V
IN
= V
AC
or V
USB
=
I
CHG
Battery fast charge current range 100 1500 mA
5 V
V
BAT
> V
LOWV
, V
IN
= 5 V, I
IN-MAX
> I
CHG
, no load
I
CHG
Battery fast charge current on SYS pin, thermal loop not active, DPPM K
ISET
/R
ISET
A
loop not active
K
ISET
Fast charge current factor for a charge current of 1500 mA 820 950 1080 AΩ
K
ISET
Fast charge current factor for a charge current of 100 mA 890 1050 1200 AΩ
0.06× 0.1× 0.14×
I
PRECHG
Pre-charge current A
I
CHG
I
CHG
I
CHG
Charge current value for termination detection 0.08× 0.1× 0.13×
I
TERM
A
threshold (internally set); except TPS650702 I
CHG
I
CHG
I
CHG
Charge current value for termination detection 0.02× 0.04× 0.06×
I
TERM
A
threshold (internally set) for TPS650702 I
CHG
I
CHG
I
CHG
t
DGL(TERM)
Deglitch time, termination detected 25 ms
V
RCH
Recharge detection threshold Voltage below nominal charger voltage 150 100 65 mV
t
DGL(RCH)
Deglitch time, recharge threshold detected 125 ms
VBAT = 3.6V. Time measured from
t
DGL(NO-IN)
Delay time, input power loss to charger turn-off 20 ms
VIN: 5V → 3.3V 1μs fall-time
I
BAT(DET)
Sink current for battery detection 3 10 mA
t
DET
Battery detection timer 250 ms
Safety timer range, thermal and DPM not 4
active selectable by I2C with Bits 5
T
CHG
Charge safety timer –15% 15% h
<ChargeSafetyTimerValue1> 6
<ChargeSafetyTimerValue0> 8
Pre charge timer range, thermal and
25 30 35
T
PRECHG
Precharge timer DPM/DPPM loops not active scalable with min
50 60 70
<Precharge Time>
Maximum value for pre-charge safety timer,
T
PCHGADD
Pre-charge safety timer “add-on” time range 0 2×T
CHG
h
thermal, DPM or DPPM loops always active
BATTERY-PACK NTC MONITOR
10 k curve 2 NTC –2% 7.35 2% kΩ
Pull-up resistor from thermistor to Internal LDO .
R
T1
I2C selectable
100 k curve 1 NTC –2% 62.5 2% kΩ
V
HOT
High temperature trip point (set to 45°C) Battery charging 860 mV
V
HYS(HOT)
Hysteresis on high trip point (set to 3°C) Battery charging 50 mV
V
COLD
Low temperature trip point (set to 0°C) Battery charging 1660 mV
V
HYS(COLD)
Hysteresis on low trip point (set to 3°C) Battery charging 50 mV
V
noNTC
No NTC detected NTC error 2000 mV
Deglitch time for thermistor detection after
TH
RMDLY
3 ms
thermistor power on
t
DGL(TS)
Deglitch time, pack temperature fault detection Battery charging 50 ms
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TPS650721