參數(shù)資料
型號： TPS65182BRGZT
廠商： TEXAS INSTRUMENTS INC
元件分類： 電源管理
英文描述： POWER SUPPLY SUPPORT CKT, PQCC48
封裝： 7 X 7 MM, 0.9 MM, PLASTIC, QFP-48
文件頁數(shù)： 19/24頁
文件大小： 865K
代理商： TPS65182BRGZT
SLVSAA2C – MARCH 2010 – REVISED OCTOBER 2010
www.ti.com
TERMINAL
I/O
DESCRIPTION
NAME
NO.
VCOM_PANEL
14
O
Panel common-voltage output pin
VCOM
15
O
Filter pin for panel common-voltage driver
VCOM_PWR
16
I
Internal supply input pin to VCOM buffer. Connect to the output of DCDC2.
SCL
17
I
Serial interface (I2C) clock input
SDA
18
I/O
Serial interface (I2C) data input/output
PWR3
19
I
Enable pin for CP1 (VDDH) (active high)
PWR2
20
I
Enable pin for LDO1 (VPOS) (active high)
PWR1
21
I
Enable pin for CP2 (VEE) (active high)
PWR0
22
I
Enable pin for LDO2 (VNEG) and VCOM (active high)
PWR_GOOD
24
O
Open drain power good output pin (active low)
VN_SW
25
O
Inverting buck-boost converter switch out (DCDC2)
N/C
26
Not connected
VIN_P
27
I
Input power supply to inverting buck-boost converter (DCDC2)
VN
28
I
Feedback pin for inverting buck-boost converter (DCDC2)
VEE_IN
29
I
Input supply pin for CP1 (VEE)
VEE_DRV
30
O
Driver output pin for negative charge pump (CP2)
VEE_D
31
O
Base voltage output pin for negative charge pump (CP2)
VEE_FB
32
I
Feedback pin for negative charge pump (CP2)
PGND2
33
Power ground for CP1 (VDDH) and CP2 (VEE) charge pumps
VDDH_FB
34
I
Feedback pin for positive charge pump (CP1)
VDDH_D
35
O
Base voltage output pin for positive charge pump (CP1)
VDDH_DRV
36
O
Driver output pin for positive charge pump (CP1)
VDDH_IN
37
I
Input supply pin for positive charge pump (CP1)
N/C
38
Not connected
N/C
39
Not connected
VB_SW
40
O
Boost converter switch out (DCDC1)
PGND3
41
Power ground for DCDC1
VB
42
I
Feedback pin for boost converter (DCDC1)
VPOS_IN
43
I
Input pin for LDO1 (VPOS)
VPOS
44
O
Positive supply output pin for panel source drivers
N/C
45
Not connected
N/C
46
Not connected
Thermistor input pin. Connect a 10k NTC thermistor and a 43k linearization resistor
TS
47
I
between this pin and AGND2.
AGND2
48
Reference point to external thermistor and linearization resistor
Die substrate/thermal pad. Connect to VN with short, wide trace. Wide copper trace will
PowerPad (PBKG)
23
improve heat dissipation. PowerPad must not be connected to ground.
4
Copyright 2010, Texas Instruments Incorporated
Product Folder Link(s): TPS65182 TPS65182B
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