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参数资料
型号： TPS65014RGZT
厂商： TEXAS INSTRUMENTS INC
元件分类： 电源管理
英文描述： 1-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC48
封装： 7 X 7 MM, GREEN, PLASTIC, VQFN-48
文件页数： 23/57页
文件大小： 1289K
代理商： TPS65014RGZT
www.ti.com
RECOMMENDED OPERATING CONDITIONS
ELECTRICAL CHARACTERISTICS
TPS65014
SLVS551 – DECEMBER 2004
MIN
NOM
MAX
UNIT
V(AC)
Supply voltage from ac adapter
4.5
6.5
V
V(USB)
Supply voltage from USB
4.4
5.25
V
V(BAT)
Voltage at charger output/battery
2.5
4.2
V
VI(MAIN),VI(CORE),VCC
Input voltage range step-down converters
2.5
6.0
V
VI(LDO1), VI(LDO2)
Input voltage range for LDOs
1.8
6.5
V
TA
Operating ambient temperature
-40
85
°C
TJ
Operating junction temperature
-40
125
°C
Resistor from VI(main),VI(core) to VCC used for
R(CC)
10
100
filtering, CI(VCC) = 1 F
V
I(MAIN) = VI(CORE) = VCC = VI(LDO1) = VI(LDO2) = 3.6 V, TA = -40°C to 85°C, typical values are at TA = 25°C battery charger
specifications are valid in the range 0
°C < T
A < 85°C unless otherwise noted
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
CONTROL SIGNALS: LOW_PWR, SCLK, SDAT (Input)
VIH
High-level input voltage
IIH = 20 A (1)
2
VCC
V
VIL
Low-level input voltage
IIL = 10 A
0
0.8
V
IIB
Input bias current
0.01
1.0
A
CONTROL SIGNALS: PB_ONOFF, HOT_RESET, BATT_COVER
VIH
High-level input voltage
IIH = 20 A(1)
0.8 VCC
6
V
VIL
Low-level input voltage
IIL = 10 A
0
0.4
V
R(pb_onoff)
Pulldown resistor at PB_ONOFF
1000
k
Pullup resistor at HOT_RESET,
R(hot_reset)
1000
k
connected to VCC
R(batt_cover)
Pulldown resistor at BATT_COVER
2000
k
t(glitch)
De-glitch time at all 3 pins
38
56
77
ms
Delay after t(glitch) (PWRFAIL goes low)
t(batt_cover)
before supplies are disabled when
1.68
2.4
3.2
ms
BATT_COVER goes low.
CONTROL SIGNALS: MPU_RESET, PWRFAIL, RESPWRON, INT, SDAT (output)
VOH
High-level output voltage
6
V
VOL
Low-level output voltage
IIL = 10 mA
0
0.3
V
td(mpu_nreset)
Duration of low pulse at MPU_RESET
100
s
td(nrespwron)
Duration of low pulse at RESPWRON
TPOR = 0
80
100
120
ms
after VMAIN is in regulation
TPOR = 1
800
1000
1200
Time between UVLO going active
td(uvlo)
(PWRFAIL going low) and supplies be-
1.68
2.4
3.2
ms
ing disabled
Time between chip overtemperature
td(overtemp)
condition being recognized (PWRFAIL
1.68
2.4
3.2
ms
going low) and supplies being disabled
SUPPLY PIN: VCC
I(Q)
Operating quiescent current
VI = 3.6 V, current into Main + Core + VCC
70
A
VI = 3.6 V, BATT_COVER = GND,
IO(SD)
Shutdown supply current
15
25
A
Current into Main + Core + VCC
VMAIN STEP-DOWN CONVERTER
VI
Input voltage range
2.5
6.0
V
IO
Maximum output current
1000
mA
IO(SD)
Shutdown supply current
BATT_COVER = GND
0.1
1
A
rDS(on)
P-channel MOSFET on-resistance
VI(MAIN) = VGS = 3.6 V
110
210
m
(1)
If the input voltage is higher than VCC, an additional input current, limited by an internal 10-k resister, flows.
3
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