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FS5502 Datasheet(PDF) 6 Page - NXP Semiconductors

Part # FS5502
Description  High voltage PMIC with multiple SMPS and LDO
PDF  113 Pages
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Manufacturer  NXP [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo NXP - NXP Semiconductors

FS5502 Datasheet(HTML) 6 Page - NXP Semiconductors

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NXP Semiconductors
FS5502
High voltage PMIC with multiple SMPS and LDO
Symbol
Pin
Type
Description
PRE_GLS
43
A_OUT
VPRE low-side gate driver for external MOSFET
PRE_SW
44
A_OUT
VPRE switching node
PRE_GHS
45
A_OUT
VPRE high-side gate driver for external MOSFET
PRE_BOOT
46
A_IN/OUT
VPRE bootstrap capacitor
VBOS
47
A_OUT
Best of supply output voltage
PRE_FB
48
A_IN
VPRE voltage feedback and negative current sense input
WAKE1
49
A_IN / D_IN
Wake up input 1
An external serial resistor is required if WAKE1 is a global pin
VSUP1
50
A_IN
Power supply 1 of the device
An external reverse battery protection diode in series is
mandatory
VSUP2
51
A_IN
Power supply 2 of the device
An external reverse battery protection diode in series is
mandatory
n.c.
52
n.c.
Not connected pin
VBOOST
53
A_IN
VBOOST voltage feedback
Must be connected to PRE_FB
n.c.
54
n.c.
Not connected pin
LDO1
55
A_OUT
Linear regulator 1 output voltage
LDO1_IN
56
A_IN
Linear regulator 1 input voltage
EP
57
GND
Exposed pad (BUCK1 and BUCK3 low-side GNDs are
connected to the expose pad)
Table 2. Pin description...continued
7.3 Connection of unused pins
Pin
Name
Type
Connection if not used
1
WAKE2
A_IN / D_IN
External pull down to GND
2
n.c.
n.c.
Open
3
BUCK3_INQ
A_IN
Open
4
VDDI2C
A_IN
Open
5
n.c.
n.c.
Open
6
BUCK3_IN
A_IN
Open
7
BUCK3_SW
A_OUT
Open
8
DBG
A_IN
Connection mandatory
9
BUCK3_FB
A_IN
Open
10
SCL
D_IN
External pull down to GND
11
SDA
D_IN/OUT
External pull down to GND
12
n.c.
n.c.
Open
13
n.c.
n.c.
Open
14
n.c.
n.c.
Open
15
n.c.
n.c.
Open
16
VMON1
A_IN
Open – 2 MΩ internal pull down to GND, OTP_VMON1_EN=0
Table 3. Connection of unused pins
FS5502
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2021. All rights reserved.
Product data sheet
Rev. 4 — 27 October 2021
6 / 113



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