PCA9420 datasheet(2/87 Pages) NXP

2 / 87 page

NXP Semiconductors

PCA9420

Power management IC for low-power microcontroller applications

– SW1: core buck converter, 0.5 V to 1.5 V output, 25 mV/step, and a fixed 1.8 V, up to

250 mA

– SW2: system buck converter, 1.5 V to 2.1 V/2.7 V to 3.3 V output, 25 mV/step, up to

500 mA

– Low-power mode for extra power saving

• Two LDOs

– Programmable output voltage regulation

– LDO1: always-on LDO, 1.70 V to 1.90 V output, 25 mV/step, up to 1 mA

– LDO2: system LDO, 1.5 V to 2.1 V/2.7 V to 3.3 V output, 25 mV/step, up to 250 mA

• 1 MHz I2C-bus target interface

• -40 °C to +85 °C ambient temperature range

• Offered in 5 x 5 bump-array WLCSP and 24-pin QFN package

3 Applications

• Low power microcontroller application

4 Ordering information

Package

Type number

Topside

marking Name

Description

Version

PCA9420BS

420

HVQFN24

plastic thermal enhanced very thin quad flat package; no

leads; 24 terminals; body 3 x 3 x 0.85 mm

SOT905-1

PCA9420UK

9420

WLCSP25

wafer level chip-scale package, 25 terminals, 0.4 mm

pitch, 2.09 mm x 2.09 mm x 0.525 mm body

SOT1401-4

Table 1. Ordering information

4.1 Ordering options

Type number Orderable part

number

Package

Packing method

Minimum order

quantity

Temperature range

(Tamb)

PCA9420BS

PCA9420BSAZ HVQFN24

REEL 7" Q2 NDP

1400

-40 °C to +85 °C

PCA9420UK

PCA9420UKZ

WLCSP25

REEL 7" Q1 DP CHIPS

3000

-40 °C to +85 °C

Table 2. Ordering options

PCA9420

All information provided in this document is subject to legal disclaimers.

Product data sheet

Rev. 4.0 — 28 November 2022

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