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參數(shù)資料
| 型號： | TPS65510RGTRG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 電源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC16 |
| 封裝： | 3 X 3 MM, GREEN, PLASTIC, QFN-16 |
| 文件頁數(shù)： | 19/21頁 |
| 文件大?。?/td> | 929K |
| 代理商： | TPS65510RGTRG4 |
PIN ASSIGNMENTS
www.ti.com .......................................................................................................................................................................................... SLLS917 – SEPTEMBER 2008
TERMINAL FUNCTIONS
TERMINAL
I/O(1)
DESCRIPTION
NO.
NAME
Boost converter output. This voltage is defined by the ration of external resistors. Please see
1
VO_BT
O
the description in detail.
Switching terminal for boost converter. This terminal should be connected to the external
2
SW
I
inductor.
3
PGND
G
Power ground. Connect to the ground plane.
4
AGND
G
Analog ground. Connect to the ground lane.
LDO Enable/Disable input. When the input level is Low, it disables the operation of LDOs
5
V_CTRL
I
regarding VO1R8 and VO1R2. When the input level is high, it enables the operation of LDOs
regarding VO1R8 and VO1R2.
Modulation select pin. When the input level is low, the boost converter operates as PFM
6
PWMON
I
mode. When the input level is high, the boost converter operates as PWM mode.
Indicator which monitors VBAT pin and VO_BT pin. CS is an open-drain output that goes low
7
CS
O
when the voltage level of VO_BT pin or VBAT pin is lower than the threshold. The threshold
is specified with the Electrical Characteristics.
Indicator that monitors VOUT; the output of 3.3-V LDO or backup battery. XRESET is an
8
XRESET
O
open-drain output that goes low when the voltage level of VOUT is lower than the threshold.
The threshold is specified with the Electrical Characteristics.
9
VO1R2
O
1.2-V output regulated by LDO. The voltage level sets 1.2 V internally.
10
VO1R8
O
1.8-V output regulated by LDO. The voltage level sets 1.8 V internally.
3.3-V output regulated by LDO or the voltage from backup battery. This output is selected by
11
VOUT
O
internal power switch. The selection depends on the output voltage of boost converter.
12
VRO
O
3.3-V output regulated by LDO. The voltage level sets 3.3 V internally.
13
VBK
I
Backup battery input. The recommended input voltage at VBK is from 1.8V to 5.5V.
Boost converter output adjustable pin. When the level of PWMON pin is low, the impedance
14
FBG
I
of FBG is high impedance. When the level of PWMON pin is high, the impedance of FBG is
almost GND level.
15
FB
I
Feedback voltage from boost converter output.
Power supply from main battery. The recommended input voltage at VBAT is from 2.65V to
16
VBAT
I
5.5V.
(1)
I： Input pin, O： Output pin, P： Power supply pin, G： GND pin
Copyright 2008, Texas Instruments Incorporated
7
Product Folder Link(s): TPS65510
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