參數(shù)資料
型號: TPS65014RGZ
廠商: Texas Instruments, Inc.
英文描述: POWER AND BATTERY MANAGEMENT IC FOR LI-ION POWERED SYSTEMS
中文描述: 電源和電池管理集成電路鋰離子供電系統(tǒng)
文件頁數(shù): 6/53頁
文件大?。?/td> 1021K
代理商: TPS65014RGZ
www.ti.com
(1)
IO(AC)
KSET
V(SET)
R(ISET)
KSET
(2)
I(PRECHG)
V(SET_PRECHG)
R(ISET)
ELECTRICAL CHARACTERISTICS
Battery Charger, V
O(REG)
+ V
(DO-MAX)
V
(CHG)
= V
(AC)
or V
(USB)
, I
(TERM)
< I
O
1 A, 0
°
C < T
A
< 85
°
C
TPS65014
SLVS551–DECEMBER 2004
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
V
(AC)
V
(USB)
I
CC(VCHG)
Input voltage range
4.5
6.5
V
Input voltage range
4.35
5.25
V
Supply current
V
(CHG)
> V
(CHG)
min
Sum of currents into VBAT pin,
V
(CHG)
< V
,
0
°
T
J
85
°
C
Current into USB pin
1.2
2
mA
I
CC(SLP)
Sleep current
2
5
μA
45
I
CC(STBY)
Standby current
μA
Current into AC pin
200
400
VOLTAGE REGULATOR
V
O
Output voltage
V
(CHG)
min
4.5 V
V
O(REG)
+ V
(DO-MAX)
V
(CHG)
,
I
O(OUT)
= 1 A
V
O(REG)
+ V
V
(CHG)
,
I
O(OUT)
= 0.5 A
V
O(REG)
+ V
V
(CHG)
,
I
O(OUT)
= 0.1 A
4.15
4.20
4.25
V
Dropout voltage (V
(AC)
- VBAT)
500
800
V
DO
Dropout voltage (V
(USB)
- VBAT)
300
500
mV
Dropout voltage (V
(USB)
- VBAT)
100
150
CURRENT REGULATION
V
CHG
4.5V, V
I(OUT)
> V
(LOWV)
,
V
(AC)
- V
I(BAT)
> V
(DO-MAX)
I
O(AC)
Output current range for ac operation
(1)
100
1000
mA
Output current set voltage for ac operation
at ISET pin. 100% output current I
2
C regis-
ter CHGCONFIG<4:3> = 11
2.45
2.50
2.55
75% output current I
2
C register
CHGCONFIG<4:3> = 10
1.83
1.91
1.99
V
min
4.5V, V
I(BAT)
> V
(LOWV)
, V
(AC)
-
V
I(BAT)
> V
(DO-MAX)
V
(SET)
V
50% output current I
2
C register
CHGCONFIG<4:3> = 01
1.23
1.31
1.39
32% output current I
2
C register
CHGCONFIG<4:3> = 00
0.76
0.81
0.86
100 mA < I
O
< 1000 mA
10 mA < I
O
< 100 mA
V
(CHG)
min
4.35 V, V
I(BAT)
> V
(LOWV)
,
V
- V
> V
,
I
2
C register CHGCONFIG<2> = 0
310
330
350
KSET
Output current set factor for ac operation
300
340
380
80
100
I
O(USB)
Output current range for USB operation
mA
V
(CHG)
min
4.5 V, V
I(BAT)
> V
(LOWV)
,
V
- V
> V
,
I
2
C register CHGCONFIG<2> = 1
400
500
R
(ISET)
PRECHARGE CURRENT REGULATION, SHORT-CIRCUIT CURRENT, AND BATTERY DETECTION CURRENT
Resistor range at ISET pin
825
8250
Precharge to fast-charge transition
threshold,
voltage on VBAT pin.
V
(LOWV)
V
(CHG)
min
4.5V
2.8
3
3.2
V
V
min
4.5 V, V
de-
creasing below threshold; 100-ns fall
time, 10-mV overdrive
De-glitch time
8.8
23
60
ms
I
(PRECHG)
I
(DETECT)
V
(SET-PRECHG)
Precharge current
(2)
0
V
I(OUT)
< V
(LOWV)
, t < t
(PRECHG)
10
100
mA
Battery detection current
200
μA
Voltage at ISET pin
0
V
I(OUT)
< V
(LOWV)
, t < t
(PRECHG)
240
255
270
mV
6
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