Datasheet

TPS65217A, TPS65217B, TPS65217C, TPS65217D
SLVSB64F –NOVEMBER 2011–REVISED APRIL 2013 www.ti.com
ELECTRICAL CHARACTERISTICS (continued)
V
BAT
= 3.6 V ±5%, T
J
= 27ºC (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
Pre charge timer, thermal PCHRGT = 0 30 60
and DPM/DPPM loops not
T
PRECHG
Precharge timer min
active, selectable by I
2
C;
PCHRGT = 1 60
Not tested in production
BATTERY NTC MONITOR
Thermistor power on time at charger off,
T
THON
10 ms
sampling mode on
Thermistor power sampling period at
T
THOFF
1 s
charger off, sampling mode on
NTC_TYPE = 1 (10k NTC) 7.35
Pull-up resistor from thermistor to Internal
kΩ
LDO . I2C selectable
R
NTC_PULL
NTC_TYPE = 0 (100K NTC) 60.5
Accuracy T
A
= 27°C -3 3 %
Temperature falling 1660
V
LTF
Low temp failure threshold mV
Temperature rising 1610
Temperature falling 910
TRANGE = 0
Temperature rising 860
V
HTF
High temp failure threshold mV
Temperature falling 667
TRANGE = 1
Temperature rising 622
V
DET
Thermistor detection threshold 1750 1850 mV
Thermistor not detected. Battery not
t
BATDET
Not tested in production 26 ms
present deglitch.
THERMAL REGULATION
T
J(REG)
Temperature regulation limit Temperature at which charge current is reduced 111 123 °C
DCDC1 (BUCK)
V
IN
Input voltage range VIN_DCDC1 pin 2.7 V
SYS
V
I
Q,SLEEP
Quiescent current in SLEEP mode No load, V
SYS
= 4 V, T
A
= 25°C 30 µA
External resistor divider (XADJ1 = 1) 0.6 V
IN
Output voltage range V
I
2
C selectable in 25-mV steps
0.9 1.8
(1)
(XADJ1 = 0)
V
OUT
V
IN
= V
OUT
+ 0.3 V to 5.8 V;
DC output voltage accuracy -2 3 %
0 mA ≤ I
OUT
≤ 1.2 A
I
OUT
= 1 mA, PFM mode
Power save mode (PSM) ripple voltage 40 mV
pp
L = 2.2 µH, C
OUT
= 20 µF
I
OUT
Output current range 0 1.2 A
High side MOSFET on-resistance V
IN
= 2.7 V 170
R
DS(ON)
mΩ
Low side MOSFET on-resistance V
IN
= 2.7 V 120
High side MOSFET leakage current V
IN
= 5.8 V 2
I
LEAK
µA
Low side MOSFET leakage current V
DS
= 5.8 V 1
Current limit (high and low side
I
LIMIT
2.7 V < V
IN
< 5.8 V 1.6 A
MOSFET).
f
SW
Switching frequency 1.95 2.25 2.55 MHz
V
FB
Feedback voltage XADJ = 1 600 mV
t
SS
Soft-start time Time to ramp V
OUT
from 5% to 95%, no load 750 µs
R
DIS
Internal discharge resistor at L1
(2)
250 Ω
L Inductor 1.5 2.2 µH
Output capacitor Ceramic 10 22 µF
C
OUT
ESR of output capacitor 20 mΩ
DCDC2 (BUCK)
V
IN
Input voltage range VIN_DCDC2 pin 2.7 V
SYS
V
I
Q,SLEEP
Quiescent current in SLEEP mode No load, V
SYS
= 4 V, T
A
= 25°C 30 µA
(1) Contact factory for 3.3-V option.
(2) Can be factory disabled.
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