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)： 55/57頁
文件大?。?/td> 1289K
代理商： TPS65014RGZ
www.ti.com
(3)
I
(TAPER) +
KSET
V
(SET_TAPER)
R
(ISET)
(4)
I
(TERM) +
KSET
V
(SET_TERM)
R
(ISET)
TPS65014
SLVS551 – DECEMBER 2004
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
CHARGE TAPER AND TERMINATION DETECTION
I(TAPER)
Taper current detect range (3)
VI(OUT) > V(RCH), t < t(TAPER)
10
100
mA
Voltage at ISET pin for charge TAPER
V(SET_TAPER)
VI(OUT) > V(RCH), t < t(TAPER)
235
250
265
mV
detection
Voltage at ISET pin for charger termination
V(SET_TERM)
VI(OUT) > V(RCH)
11
18
25
mV
detection(4)
V(CHG) min ≥ 4.5V, charging current
increasing or decreasing above and
De-glitch time for I(TAPER)
8.8
23
60
ms
below; 100-ns fall time, 10-mV
overdrive
V(CHG) min ≥ 4.5 V, charging current
De-glitch time for I(TERM)
decreasing below;100-ns fall time,
8.8
23
60
ms
10-mV overdrive
TEMPERATURE COMPARATOR
V(LTF)
Low (cold) temperature threshold
2.475
2.50
2.525
V
V(HTF)
High (hot) temperature threshold
0.485
0.5
0.515
V
I(TS)
TS current source
95
102
110
A
De-glitch time for temperature fault
8.8
23
60
ms
BATTERY RECHARGE THRESHOLD
VO(REG)
V(RCH)
Recharge threshold
V(CHG)min ≥ 4.5 V
VO(REG) -0.1
V
-0.115
-0.085
V(CHG)min ≥ 4.5 V, VI(OUT) decreasing
De-glitch time
below threshold; 100-ns fall time,
8.8
23
60
ms
10-mV overdrive
TIMERS
t(PRECHG)
Precharge timer
V(CHG)min ≥ 4.5 V
1500
1800
2160
s
t(TAPER)
Taper timer
V(CHG)min ≥ 4.5 V
1500
1800
2160
s
t(CHG)
Charge timer
V(CHG)min ≥ 4.5 V
15000
18000
21600
s
SLEEP AND STANDBY
V(CHG)≤
Sleep-mode entry threshold, PG output =
V(SLP-ENTRY)
2.3 V
≤ V
I(OUT) ≤ VO(REG)
VI(OUT)
V
high
+150 mV
V(CHG) ≥
V(SLP_EXIT)
Sleep-mode exit threshold,PG output = low
2.3 V
≤ V
I(OUT)≤ VO(REG)
VI(OUT) +
V
250 mV
AC or USB decreasing below
De-glitch time for sleep mode entry and exit
threshold; 100-ns fall time, 10-mV
8.8
23
60
ms
overdrive
Delay between valid USB voltage being
t(USB_DEL)
applied and start of charging process from
5
ms
USB
CHARGER POWER-ON-RESET, UVLO, AND V(IN) RAMP RATE
V(CHGUVLO)
Charger undervoltage lockout
V(CHG) decreasing
2.27
2.5
2.75
V
Hysteresis
27
mV
V(CHGOVLO)
Charger overvoltage lockout
6.5
V
CHARGER OVERTEMPERATURE SUSPEND
Temperature at which charger suspends
T(suspend)
145
°C
operation
T(hyst)
Hysteresis of suspend threshold
20
°C
LOGIC SIGNALS DEFMAIN, DEFCORE, PS_SEQ, IFLSB
VIH
High-level input voltage
IIH = 20 A
VCC-0.5
VCC
V
VIL
Low-level input voltage
IIL = 10 A
0
0.4
V
IIB
Input bias current
0.01
1.0
A
7
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