參數(shù)資料
型號： TPS65014RGZ
廠商： TEXAS INSTRUMENTS INC
元件分類： 電源管理
英文描述： 1-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC48
封裝： 7 X 7 MM, GREEN, PLASTIC, VQFN-48
文件頁數(shù)： 54/57頁
文件大?。?/td> 1289K
代理商： TPS65014RGZ
www.ti.com
(1)
I
O(AC) +
KSET
V
(SET)
R
(ISET)
(2)
I
(PRECHG) +
KSET
V
(SET_PRECHG)
R
(ISET)
ELECTRICAL CHARACTERISTICS
TPS65014
SLVS551 – DECEMBER 2004
Battery Charger, V
O(REG) + V(DO-MAX) ≤ V(CHG) = V(AC) or V(USB), I(TERM) < IO ≤ 1 A, 0°C < TA < 85°C
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
V(AC)
Input voltage range
4.5
6.5
V
V(USB)
Input voltage range
4.35
5.25
V
ICC(VCHG)
Supply current
V(CHG) > V(CHG)min
1.2
2
mA
Sum of currents into VBAT pin,
ICC(SLP)
Sleep current
V(CHG) < V(SLP-ENTRY),
2
5
A
0
°C≤ T
J ≤ 85°C
Current into USB pin
45
ICC(STBY)
Standby current
A
Current into AC pin
200
400
VOLTAGE REGULATOR
VO
Output voltage
V(CHG)min ≥ 4.5 V
4.15
4.20
4.25
V
VO(REG) + V(DO-MAX) ≤ V(CHG),
Dropout voltage (V(AC) - VBAT)
500
800
IO(OUT) = 1 A
VO(REG) + V(DO-MAX)≤ V(CHG),
VDO
Dropout voltage (V(USB) - VBAT)
300
500
mV
IO(OUT) = 0.5 A
VO(REG) + V(DO-MAX) ≤ V(CHG),
Dropout voltage (V(USB) - VBAT)
100
150
IO(OUT) = 0.1 A
CURRENT REGULATION
VCHG ≥ 4.5V, VI(OUT) > V(LOWV),
IO(AC)
Output current range for ac operation(1)
100
1000
mA
V(AC) - VI(BAT)> V(DO-MAX)
Output current set voltage for ac operation
at ISET pin. 100% output current I2C regis-
2.45
2.50
2.55
ter CHGCONFIG<4:3> = 11
75% output current I2C register
1.83
1.91
1.99
Vmin ≥ 4.5V, VI(BAT) > V(LOWV), V(AC) -
CHGCONFIG<4:3> = 10
V(SET)
V
VI(BAT) > V(DO-MAX)
50% output current I2C register
1.23
1.31
1.39
CHGCONFIG<4:3> = 01
32% output current I2C register
0.76
0.81
0.86
CHGCONFIG<4:3> = 00
100 mA < IO < 1000 mA
310
330
350
KSET
Output current set factor for ac operation
10 mA < IO < 100 mA
300
340
380
V(CHG)min ≥ 4.35 V, VI(BAT) > V(LOWV),
V(USB) - VI(BAT) > V(DO-MAX),
80
100
I2C register CHGCONFIG<2> = 0
IO(USB)
Output current range for USB operation
mA
V(CHG)min ≥ 4.5 V, VI(BAT) > V(LOWV),
VUSB - VI(BAT) > V(DO-MAX),
400
500
I2C register CHGCONFIG<2> = 1
R(ISET)
Resistor range at ISET pin
825
8250
PRECHARGE CURRENT REGULATION, SHORT-CIRCUIT CURRENT, AND BATTERY DETECTION CURRENT
Precharge to fast-charge transition
V(LOWV)
threshold,
V(CHG) min ≥ 4.5V
2.8
3
3.2
V
voltage on VBAT pin.
V(CHG) min ≥ 4.5 V, VI(OUT) de-
De-glitch time
creasing below threshold; 100-ns fall
8.8
23
60
ms
time, 10-mV overdrive
I(PRECHG)
Precharge current (2)
0
≤ V
I(OUT) < V(LOWV), t < t(PRECHG)
10
100
mA
I(DETECT)
Battery detection current
200
A
V(SET-PRECHG)
Voltage at ISET pin
0
≤ V
I(OUT) < V(LOWV), t < t(PRECHG)
240
255
270
mV
6
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PDF描述
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