參數(shù)資料
型號(hào): TPS65021RHARG4
廠商: TEXAS INSTRUMENTS INC
元件分類: 電源管理
英文描述: 3-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC40
封裝: 6 X 6 MM, GREEN, PLASTIC, MO-220/VJJD-2, QFN-40
文件頁(yè)數(shù): 2/47頁(yè)
文件大?。?/td> 1180K
代理商: TPS65021RHARG4
www.ti.com
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2
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4
5
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7
8
9
10
30
29
28
27
26
25
24
23
22
21
11 12 13 14 15 16 17 18 19 20
40 39 38 37 36 35 34 33 32 31
DEFDCDC3
VDCDC3
PGND3
L3
VINDCDC3
VINDCDC1
L1
PGND1
VDCDC1
DEFDCDC1
HOT_RESET
DEFLDO1
DEFLDO2
VSYSIN
VBACKUP
VRTC
AGND2
VINLDO
VLDO1
VLDO2
SCLK
SDAT
INT
RESPWRON
TRESPWRON
DCDC1_EN
DCDC2_EN
DCDC3_EN
LDO_EN
LOWBAT
AGND1
LOWBA
T_SNS
PWRF
AIL_SNS
VCC
VINDCDC2
L2
PGND2
VDCDC2
DEFDCDC2
PWRF
AIL
SLVS613B – OCTOBER 2005 – REVISED JULY 2007
PIN ASSIGNMENT
(TOP VIEW)
TERMINAL FUNCTIONS
TERMINAL
I/O
DESCRIPTION
NAME
NO.
SWITCHING REGULATOR SECTION
AGND1
40
Analog ground connection. All analog ground pins are connected internally on the chip.
AGND2
17
Analog ground connection. All analog ground pins are connected internally on the chip.
PowerPAD
Connect the power pad to analog ground.
Input voltage for VDCDC1 step-down converter. This must be connected to the same voltage supply
VINDCDC1
6
I
as VINDCDC2, VINDCDC3, and VCC.
L1
7
Switch pin of VDCDC1 converter. The VDCDC1 inductor is connected here.
VDCDC1
9
I
VDCDC1 feedback voltage sense input, connect directly to VDCDC1
PGND1
8
Power ground for VDCDC1 converter
Input voltage for VDCDC2 step-down converter. This must be connected to the same voltage supply
VINDCDC2
36
I
as VINDCDC1, VINDCDC3, and VCC.
L2
35
Switch pin of VDCDC2 converter. The VDCDC2 inductor is connected here.
VDCDC2
33
I
VDCDC2 feedback voltage sense input, connect directly to VDCDC2
PGND2
34
Power ground for VDCDC2 converter
Input voltage for VDCDC3 step-down converter. This must be connected to the same voltage supply
VINDCDC3
5
I
as VINDCDC1, VINDCDC2, and VCC.
L3
4
Switch pin of VDCDC3 converter. The VDCDC3 inductor is connected here.
VDCDC3
2
I
VDCDC3 feedback voltage sense input, connect directly to VDCDC3
PGND3
3
Power ground for VDCDC3 converter
Power supply for digital and analog circuitry of VDCDC1, VDCDC2, and VDCDC3 dc-dc converters.
VCC
37
I
This must be connected to the same voltage supply as VINDCDC3, VINDCDC1, and VINDCDC2.
Also supplies serial interface block
10
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