参数资料
型号: TPS65230A2DCA
厂商: TEXAS INSTRUMENTS INC
元件分类: 电源管理
英文描述: 2-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO48
封装: GREEN, HTSSOP-48
文件页数: 14/29页
文件大小: 1195K
代理商: TPS65230A2DCA
www.ti.com.................................................................................................................................... SLVSA10A – SEPTEMBER 2009 – REVISED SEPTEMBER 2009
Register Address Map
REGISTER
ADDRESS (HEX)
NAME
DEFUALT VALUE
DESCRIPTION
0
00
ENABLE
0000 0000
Enable control register
1
01
VADJUST
0000 0000
Voltage adjustment register
2
02
STATUS1
0000 0000
Status bit register
3
03
STATUS2
0000 0000
Status bit register
ENABLE Register (ENABLE), Address - 0X00H
DATA BIT
D7
D6
D5
D4
D3
D2
D1
D0
FIELD NAME
Not used
VCTRL
EN_BCK1
EN_BCK2
EN_BCK3
EN_USB1
EN_USB2
READ/WRITE
R/W
RESET
0
VALUE
FIELD NAME(1)
BIT DEFINITION
Voltage control bit for BUCK2 and BUCK3
VCTRL
0 – Nominal output voltage
1 – Enable voltage adjustment level set by VADJUST register
Enable BUCK1
EN_BCK1
0 – Disabled
1 - Enabled
Enable BUCK2
EN_BCK2
0 – Disabled
1 - Enabled
Enable BUCK3
EN_BCK3
0 – Disabled
1 - Enabled
Enable USB1
EN-USB1
0 – Disabled (OFF)
1 - Enabled
Enable USB2
EN_USB2
0 – Disabled (OFF)
1 – Enabled
(1)
Enable bits EN_BCK1, EN_BCK2, and EN_BCK3 are ORed with EN_BCK1, EN_BCK2, and EN_BCK3 enable pins, respectively. To
disable a block, EN bit and EN pin must be low.
VADJUST Register (VADJUST), Address - 0X01H
DATA BIT
D7
D6
D5
D4
D3
D2
D1
D0
FIELD NAME
Not used
VBCK2[1:0]
VBCK3[1:0]
READ/WRITE
R/W
RESET
0
VALUE
FIELD NAME(1)
BIT DEFINITION
BUCK2 voltage adjustment
00 - Nominal
VBCK2[1:0]
01 - 5% Decrease
10 - 10% Decrease
11 - 15% Decrease
BUCK3 voltage adjustment
00 - Nominal
VBCK3[1:0]
01 - 5% Decrease
10 - 10% Decrease
11 - 15% Decrease
(1)
Voltage adjustment settings for BUCK2 and BUCK3 are effective only when VCTRL pin is pulled high or VCTRL bit of ENABLE register
is set to ‘1’.
Copyright 2009, Texas Instruments Incorporated
21
Product Folder Link(s): TPS65230 TPS65231
相关PDF资料
PDF描述
TPS65230A2DCAR 2-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO48
TPS65231A2DCAR 2-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO48
TPS65230DCA 2-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO48
TPS65230DCAR 2-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO48
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