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LP87702 Arkusz danych(PDF) 4 Page - Texas Instruments

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Numer części LP87702
Szczegółowy opis  LP87702-Q1 Dual Buck Converter and 5-V Boost With Diagnostic Functions
PDF  99 Pages
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Producent  TI [Texas Instruments]
Strona internetowa  http://www.ti.com
Logo TI - Texas Instruments

LP87702 Arkusz danych(HTML) 4 Page - Texas Instruments

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6 Pin Configuration and Functions
9
10
11
12
13
14
2
3
4
5
6
1
7
20
19
18
17
23
21
22
29
28
27
25
32
31
30
GPO0
NRST
VIN_B1
VIN_B1
SW_B1
SW_B0
SW_B0
VIN_B0
VIN_B0
THERMAL PAD
8
16
SW_B1
24
26
15
PG0
VMON1
VMON2
PGND_BST
SW_BST
PG1 (GPO1)
Figure 6-1. RHB Package 32-Pin VQFN With Thermal Pad Top View
Table 6-1. Pin Functions
PIN
TYPE
DESCRIPTION
NAME
NUMBER
AGND
4
G
Ground
CLKIN
22
D/I/O
External clock input. Alternative function is general purpose digital output 2 (GPO2). Second
alternative function is watchdog disable (WD_DIS)
EN1
19
D/I
Programmable Enable 1 signal.
FB_B0
2
A
Output voltage feedback for Buck0.
FB_B1
3
A
Output voltage feedback for Buck1.
GPO0
12
D/O
General purpose digital output 0.
nINT
1
D/O
Open-drain interrupt output. Active LOW.
NRST
11
D/I
Reset signal for the device.
PG0
29
D/O
Programmable power-good indication signal.
PG1
32
D/O
Programmable power-good indication signal. Alternative function is general purpose digital output
1 (GPO1).
PGND_B0
23, 24
P/G
Power ground for Buck0.
PGND_B1
17, 18
P/G
Power Ground for Buck1.
PGND_BST
10
P/G
Power ground for boost.
SCL
20
D/I
Serial interface clock input for I2C access. Connect a pullup resistor. Alternative function is
programmable to the enable 2 signal.
SDA
21
D/I/O
Serial interface data input and output for I2C access. Connect a pullup resistor. Alternative
function is programmable to the enable 3 signal.
SW_B0
25, 26
P/O
Buck0 switch node.
SW_B1
15, 16
P/O
Buck1 switch node.
SW_BST
9
P/I
Boost input. Bypass switch input when this mode is selected.
VANA
5
P
Supply voltage for analog and digital blocks. Must be connected to same node with VIN_Bx.
LP87702-Q1
SNVSAL1C – DECEMBER 2017 – REVISED JUNE 2021
www.ti.com
4
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Product Folder Links: LP87702-Q1



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