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參數(shù)資料
型號： TPS65810RTQ
廠商： TEXAS INSTRUMENTS INC
元件分類： 電源管理
英文描述： 9-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC56
封裝： 8 X 8 MM, ROHS COMPLIANT, PLASTIC, QFN-56
文件頁數(shù)： 36/99頁
文件大小： 2128K
代理商： TPS65810RTQ
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 65810
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
POWER PATH AND CHARGE MANAGEMENT
Overview
SLVS658B – MARCH 2006 – REVISED FEBRUARY 2007
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 OFF
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 system,
Input Power to System,
500 mA max or
#2 – USB
independently of battery
USB mode selected,
2.5 A typ
#3 – Battery (when AC pin power and USB pin power are
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
The TPS65810 has an integrated charger with power path integrated MOSFETs. This topology, shown in the
simplified block diagram below, enables using an external input power to run the system and charge the battery
simultaneously. The power path has dual inputs that can be used to select either an external AC_DC adapter
(AC pin) or an USB port power (USB pin) to power the end equipment main power rail (OUT pin, also referred to
as the system power bus) and charge the battery pack (connected to BAT pin).
Copyright 2006–2007, Texas Instruments Incorporated
41
Product Folder Link(s): TPS65810 TPS65811
相關PDF資料
PDF描述
TPS65810RTQT 9-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC56
TPS65820RSHTG4 8-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC56
TPS65910RSLT POWER SUPPLY SUPPORT CKT, PQCC48
TPS65920A2ZCHR SPECIALTY CONSUMER CIRCUIT, PBGA139
TPS65920A2ZCH SPECIALTY CONSUMER CIRCUIT, PBGA139
相關代理商/技術參數(shù)
參數(shù)描述
TPS65810RTQR 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
TPS65810RTQRG4 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
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
TPS65810RTQTG4 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
TPS65811RTQR 功能描述:電池管理 Integr S-C Li-Ion 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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