參數(shù)資料
型號: TPS2459RHB
廠商: TEXAS INSTRUMENTS INC
元件分類: 電源管理
英文描述: 2-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC32
封裝: PLASTIC, QFN-32
文件頁數(shù): 7/48頁
文件大?。?/td> 852K
代理商: TPS2459RHB
www.ti.com
SLUS917D – FEBRUARY 2009 – REVISED MAY 2010
Control and Status Registers
Seven 8-bit registers are used to control and read the status of the TPS2459. Registers 3 and 4 control the 12-V
channel. Rregister 5 controls the 3-V channel. Register 6 contains eight general configuration bits. Read-only
registers 7, 8, and 9 report back system status to the I2C controller. All ten registers use the I2C protocol and
are organized as follows shown in Table 1.
Table 1. Top Level Register Functions
FUNCTION
VOLTAGE (V)
REGISTE
DESCRIPTION
R
READ
WRITE
3.3
12
Set 12-V current limit, power good level, and OR
3
functions
4
Set 12-V fault time, enable, and bleed-down functions
5
Set 3-V fault time, enable, and bleed-down functions
6
System configuration controls
7
Fault and PG outputs
8
Overcurrent and fast trip indicators are latched
9
Channel status indicators
Copyright 2009–2010, Texas Instruments Incorporated
15
Product Folder Link(s): TPS2459
相關(guān)PDF資料
PDF描述
TPS24701DGK POWER SUPPLY SUPPORT CKT, PDSO8
TPS24710DGS POWER SUPPLY SUPPORT CKT, PDSO10
TPS24710 POWER SUPPLY SUPPORT CKT, PDSO10
TPS24711 POWER SUPPLY SUPPORT CKT, PDSO10
TPS24711DGSR POWER SUPPLY SUPPORT CKT, PDSO10
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