參數資料
型號： TPS65800RTQTG4
廠商： TEXAS INSTRUMENTS INC
元件分類： 電源管理
英文描述： 8-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC56
封裝： 8 X 8 MM, GREEN, PLASTIC, QFN-56
文件頁數： 37/98頁
文件大?。?/td> 2077K
代理商： TPS65800RTQTG4
www.ti.com
FUNCTIONALITY GUIDE — SYSTEM POWER AND CHARGE MANAGEMENT
AC
BAT
OUT
USB
TMR
ISET1
TS
BAT
OUT
DPPM
POWERPATH
CONTROL
LINEAR
CHARGER
Battery
GND
+
-
AC _DC Adapter
Output
USBPower
ACSWITCH
USBSWITCH
BATTERY
SWITCH
SYSTEMPOWERBUS
TPS 65800
Withtheabovecomponentsthefollowingsystem
parametersareset :
FastChargeCurrent = 1A (100% scaling, inputlimit=2. 5A)
Safety Timer = 5hours, 30 minpre-charge
DPPMthreshold = 4. 3V
Temphot: 65C
TempCold : 5C
SystemPower
Selection
InputCurrentLimit
Selection
ChargeVoltage
FastCharge
CurrentScaling
ChargeSuspend
I2CREGISTERS
R
37.4k
DPPM
W
A1
C26
22 F
m
C25
10 F
m
50k
NTC
W
R
49.9k
TMR
W
C2
10 F
m
C23
47nF
A1
R
1k
SET
W
A1
C24
0.22 F
m
A1
C1
10 F
m
SLVS606C – SEPTEMBER 2005 – REVISED FEBRUARY 2007
INTERRUPT AND POWER GOOD FAULT MANAGEMENT REGISTERS
B7
B6
B5
B4
B3
B2
B1
B0
When 1
ADC DONE
ANLG1 HIGH
GPIO2 EDGE
GPIO1 EDGE
THERMAL
CHARGER
ADC INPUT
GENERATED
IMPEDANCE
GENERATED
FAULT
STATUS
ABOVE HI
BELOW LO
INT REQUEST
DETECTION
INT REQUEST
GENERATED
CHANGE
LIMIT
GENERATED
INT REQUEST
GENERATED
INT REQUEST
PGOODFAULT_MASK, ADDRESS=07, ALL BITS R/W
Bit name
PGOOD SM1
PGOOD SM2
PGOOD SM3
PGOOD LDO1
PGOOD LDO2
PGOOD LDO3
PGOOD LDO4
PGOOD LDO5
Function
MASK PGOOD
FAULT BY
SM1
SM2
SM3
LDO1
LDO2
LDO3
LDO4
LDO5
When 0
UNMASKED
When 1
MASKED
CHARGE MANAGEMENT
Fast Charge(1)
Precharge
Termination
Charge
Precharge
SafetyTimer
Power Up
Current
Voltage
Timeout
Default
Charge
Charge Current
Current
Current Scaling
Current Value
Scaling
IO(BAT),
25%, 50%, 75%,
10% of
I(TERM), 10% of
25%, 50%, 75%,
4.2 V or
3.0 V
Programmable
Charger ON
Programmable,
100% of IO(BAT)
IO(BAT)
100% of I(TERM)
4.36 V
1.5A max
value
Set via external
Fixed ratio
Fixed
Set via external
Set via I2C
resistor
(1)
The input current limit (see system power management below ) regulates the input current, effectively limiting the charge current if the
input current limit is lower than the fast charge current value programmed.
POWER PATH MANAGEMENT
INPUT CURRENT LIMIT
INPUT CONNECTED TO OUT PIN
POWER UP DEFAULT
AC PIN
USB PIN
INPUT POWER TO SYSTEM
BATTERY TO SYSTEM
2.5 A typ
100 mA max or
#1 – AC
Battery connected to
Input Power to System,
500 mA max or
#2 – USB
system, independently of
USB mode selected,
2.5 A typ
#3 – Battery (when AC pin power and USB pin power are
battery voltage
100 mA max
not detected )
Internal fixed
Automatic internal algorithm
Set via I2C
Set via I2C, overrides
current limit
internal algorithm
Figure 30. Required External Components, Recommended Values, External Connections
42
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TPS65810RTQT 功能描述:電池管理 Int Sgl-Cell Lit-Ion Batt & Pwr Mgmt IC RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel
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