Texas Instruments TPS65810 Evaluation Module TPS65810EVM TPS65810EVM 데이터 시트
제품 코드
TPS65810EVM
www.ti.com
ELECTRICAL CHARACTERISTICS – POWER PATH AND CHARGE MANAGEMENT
SLVS658B – MARCH 2006 – REVISED FEBRUARY 2007
Over recommended operating conditions (typical values at T
J
= 25
°
C), circuit as in
(unless otherwise noted).
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VOLTAGE DETECTION THRESHOLDS
Input Voltage detection
AC detected at V(AC)– V(BAT) > V
IN(DT)
;
V
IN(DT)
190
mV
threshold
USB detected at V(USB)– V(BAT) > V
IN(DT)
Input Voltage removal
AC not detected at V(AC)– V(BAT) < V
IN(NDT)
;
V
IN(NDT)
125
mV
threshold
USB not detected at V(USB)– V(BAT) < V
IN(NDT)
t
DGL(NDT)
Power not detected deglitch
22.5
ms
Supplement detection
V
SUP(DT)
Battery switch ON at V(BAT) – V(OUT) > V
SUP(DT)
60
mV
threshold
Supplement not detected
V
SUP(NDT)
Battery switch OFF at V(BAT)– V(OUT) < V
SUP(NDT)
20
mV
threshold
POWER PATH INTEGRATED MOSFETs CHARACTERISTICS
V
ACDO
= V(AC)– V(OUT); V(AC) = 4.75 V AC input current limit set to 2.75 A
V
ACDO
AC switch dropout voltage
350
375
mV
(typ), I
O(OUT)
= 1.0 A
V
USBDO
= V(USB)– V(OUT); V(USB) = 4.6 V
I(OUT)+ I(BAT)= 0.5 A
175
190
mV
V
USBDO
USB switch dropout voltage
USB input current limit set to 2.75 A (typ)
I(OUT)+ I(BAT)= 0.1 A
35
45
mV
Battery switch dropout
V
BATDODCH
V(BAT): 3 V
→ V
CH(REG)
, I(BAT) = –1 A
60
100
mV
voltage, discharge
Battery switch dropout
Charger on, V(BAT): 3 V
→ 4.2 V, I(BAT) = 1 A
60
100
mV
V
BATDOCH
voltage, charge
POWER PATH INPUT CURRENT LIMIT
Selected input current limit,
I
INP(LIM1)
80
100
mA
Selected input switch not in dropout, I
2
C settings: ISET2 = LO, PSEL = LO
applies to USB input only
Selected Input current limit,
I
INP(LIM2)
400
500
mA
Selected input switch not in dropout, I
2
C settings: ISET2 = HI, PSEL = LO
applies to USB input only
Selected Input current limit,
Selected input switch not in dropout, I
2
C settings: ISET2 = HI OR LO, PSEL
I
INP(LIM3)
applies to either AC or USB
2.75
A
= HI
input
SYSTEM REGULATION VOLTAGE
V
SYS(REG)
= V(OUT), DPPM loop not active, selected input current limit not
V
SYS(REG)
Output regulation voltage
4.6
4.7
V
reached. Selected input voltage (AC or USB) > 5.1 V
POWER PATH PROTECTION AND RECOVERY FUNCTIONS
Input-to-output short-circuit
V
INOUTSH
AC and USB switches set to OFF if V(OUT) < V
INOUTSH
0.6
V
detection threshold
OUT short circuit recovery
R
SH(USBSH)
V(OUT) < 1 V, internal resistor connected from USB to OUT
500
Ω
pullup resistor
OUT short circuit recovery
R
SH(ACSH)
V(OUT) < 1 V, internal resistor connected from AC to OUT
500
Ω
pullup resistor
Overvoltage detection
Rising voltage, overvoltage detected when V(AC) > V
OVP
or
6
6.5
6.8
threshold
V(USB) > V
OVP
V
OVP
V
Overvoltage detection
Falling voltage, relative to detection threshold
0.1
hysteresis
Battery-to-output short-circuit
V
BATOUTSH
BAT switch set to OFF if V(BAT) – V(OUT) > V
BATOUTSH
200
mV
detection threshold
Battery-to-ouput short-circuit
V(DPPM) < 1v, t
BLK(SHBAT)
= K
BLK(SHBAT)
X C
DPPM,
C
DPPM
capacitor is
K
BLK(SHBAT)
1
mS/nF
blanking time constant
connected from DPPM pin to AGND1
OUT short circuit recovery
V
(BAT)
– V
(OUT)
> V
BATOUTSH
,
I
SH(BAT)
10
mA
pullup current source
Internal current source connected between OUT and BAT
BAT short circuit recovery
V
(BAT)
< 1V,
R
SH(BAT)
1
k
Ω
resistor
Internal resistor connected from OUT to BAT
Internal resistor connected from BAT to AGND1 when battery is not detected
R
DCH(BAT)
BAT pulldown resistor
500
Ω
by ANLG1
8
Copyright © 2006–2007, Texas Instruments Incorporated
Product Folder Link(s):