LP5551SQX/NOPB National Semiconductor, LP5551SQX/NOPB Datasheet - Page 4

• Manufacturer Part Number: LP5551SQX/NOPB
• Description: IC ENERGY MGMNT SYSTEM 36-LLP
• Manufacturer: National Semiconductor
• Series: PowerWise®r

Specifications of LP5551SQX/NOPB

• Applications: Handheld/Mobile Devices
• Current - Supply: 431µA
• Voltage - Supply: 2.7 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 36-LLP
• For Use With: LP5551SQEV - BOARD EVALUATION LP5551SQ
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: LP5551SQX

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A: Analog Pin
D: Digital Pin
I: Input Pin
O: Output Pin
I/O: Input/Output Pin
P: Power Pin
G: Ground Pin
Ordering Information
*Released. Samples available.
Pin #
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
Voltage Option
Name
RESETN
EN
SPWI
SCLK
LDO2
LDO4
LDO1
NC
LDO3
NC
FB1
PGND1
PGND1
PGND1
SW1
PVDD1
VDD_D
VDD_A
NC
PVDD2
SW2
PGND2
PGND2
PGND2
FB2
NC
SCAN
VPWELL
NC
VNWELL
NC
I/O
I
I
I/O
I
P
P
P
P
P
G
G
G
P
P
P
P
P
P
G
G
G
P
P
P
Order Number
LP5551SQ
LP5551SQX
Type
D
D
D
D
P
P
P
P
P
G
G
G
P
P
P
P
P
P
G
G
G
P
P
P
Description
Reset, active low
Enable, active high
PowerWise Interface (PWI) bi-directional data
PowerWise Interface (PWI) clock input
LDO2 output, for supplying the I/O voltage on the SoC
LDO4 output, for supplying a fixed voltage to a PLL etc. on the SoC
LDO1 output, user defined
LDO3 output, on-chip memory supply voltage
AVS switcher feedback
Power ground for the AVS switcher
Power ground for the AVS switcher
Power ground for the AVS switcher
AVS Switcher switch node; connected to inductor
Battery supply voltage for the AVS switcher
Battery supply voltage for digital
Battery supply voltage for analog
Battery supply voltage for the DVS switcher
DVS Switcher switch node; connected to inductor
Power ground for the DVS switcher
Power ground for the DVS switcher
Power ground for the DVS switcher
DVS switcher feedback
P-well bias voltage
N-well bias voltage
Package Marking
LP5551SQ
LP5551SQ
4
Supplied As
1000 units, Tape-and-Reel
4500 units, Tape-and-Reel