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TPS65720 Fiches technique(PDF) 11 Page - Texas Instruments

No de pièce TPS65720
Description  Integrated PMIC With 1 DC-DC, 1 LDO, Battery Charger and GPIO
Download  66 Pages
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Fabricant  TI1 [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI1 - Texas Instruments

TPS65720 Fiches technique(HTML) 11 Page - Texas Instruments

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TPS65720, TPS657201, TPS657202, TPS65721
www.ti.com
SLVS979A – OCTOBER 2009 – REVISED SEPTEMBER 2015
Electrical Characteristics (continued)
VSYS = 3.6 V, VDCDC1 = 2.05 V, PFM mode, L = 3.3 μH, COUTDCDC1 = 4.7 μF, VINLDO1 = 2.05 V, VLDO1 = 1.85 V, TA = –40°C to
85°C typical values apply in a temperature range of 10°C to 35°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
POWER PATH
VUVLO
Undervoltage lockout
VAC: 0 V → 4 V
3.2
3.3
3.45
V
VHYS-UVLO
Hysteresis on UVLO
VAC: 4 V → 0 V
200
300
mV
(Input power detected if VIN > VBAT + VIN-DT) VBAT = 3.6 V,
VIN-DT
Input power detection threshold
40
80
140
mV
VIN: 3.5 V → 4 V
VHYS-INDT
Hysteresis on VIN-DT
VBAT = 3.6 V, VIN: 4 V → 3.5 V
20
mV
Input overvoltage protection
VOVP
VAC: 5 V → 7 V
6.4
6.6
6.8
V
threshold
VHYS-OVP
Hysteresis on OVP
VAC: 11 V → 5 V
105
mV
ISYS = 0.3 A, VAC = 4.35 V, VBAT = 4.2 V; YFF package
170
285
mV
AC pin to SYS pin dropout voltage
VDO(AC-SYS)
VAC – VSYS
ISYS = 0.3 A, VAC = 4.35 V, VBAT = 4.2 V; RSN package
210
325
mV
ISYS = 0.2 A, VAC = 0 V, VBAT > 3 V; YFF package
80
mV
Battery to SYS pin dropout voltage
VDO(BAT-SYS)
VBAT – VSYS
ISYS = 0.2 A, VAC = 0 V, VBAT > 3 V; RSN package
120
mV
00: VAC > VSYS + VDO(AC-SYS), VBAT < 3.3V
–5%
3.4
5%
VBAT +
00: VAC > VSYS + VDO(AC-SYS), VBAT ≥ 3.3 V
–5%
5%
SYS pin voltage regulation
200 mV
selectable register
VSYS(REG)
V
<CHGCONFIG0> Bits <VSYS1>;
01: VAC > VSYS + VDO(AC-SYS)
–5%
4.4
5%
<VSYS0>
10: VAC > VSYS + VDO(AC-SYS)
–5%
5.0
5%
11: VAC > VSYS + VDO(AC-SYS)
–5%
5.5
5%
Bit <AC input current1, AC input current0> = 00
90
95
100
Maximum Input Current Register
IAC-MAX
mA
<CHCONFIG0>
Bit < AC input current1, AC input current0> = 01 or 10
450
475
500
Input voltage threshold when input
Input current is reduced if voltage at AC falls below VAC-LOW to
VAC-LOW
4.35
4.5
4.65
V
current is reduced
keep the AC voltage above 4.5 V
Output voltage threshold when
VO(REG)
Bit <V_DPPM> = 1
charging current is reduced
100 mV
VDPM
V
Register <CHCONFIG2>
Bit <V_DPPM> = 0
4.3
VOUT
VBSUP1
Enter battery supplement mode
VBAT
V
40 mV
VOUT
VBSUP2
Exit battery supplement mode
VBAT
V
20 mV
Output short-circuit detection
VO(SC1)
0.8
0.9
1
V
threshold, power-on
Output short-circuit detection
threshold, supplement mode
VO(SC2)
200
250
300
mV
VBAT – VOUT > VO(SC2) indicates
short-circuit
BATTERY CHARGER
QUIESCENT CURRENT
VIN = 5 V; ACinputcurrent[1,0] = 11
60
80
μA
IIACSTDBY)
Standby current into AC pin
VIN = 28 V; ACinputcurrent[1,0] = 11
530
μA
VIN = 5 V, no load on DCDC1, LDO1, SYS pin, VSYS[1,0] = 11;
ICC
Active supply current, AC pin
2
mA
ACinputcurrent[1,0] = 10; CH_EN = 0
Source current for BAT pin short-
IBAT(SC)
4
7.5
11
mA
circuit detection
BAT pin short-circuit detection
VBAT(SC)
1.6
1.8
2.0
V
threshold
–1%
4.15
1%
–1%
4.175
1%
–1%
4.20
1%
–1%
4.225
1%
Depending on setting in CHGCONFIG3 And internal EEPROM
Vo(BATREG)
Battery charger voltage
V
Default = 4.2 V
–1%
4.25
1%
–1%
4.275
1%
–1%
4.30
1%
–1%
4.325
1%
Precharge to fast-charge transition
VLOWV
2.9
3.0
3.1
V
threshold
Copyright © 2009–2015, Texas Instruments Incorporated
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