MFS5600AMBAFES datasheet(9/118 Pages) NXP

9 / 118 page

NXP Semiconductors

FS5600

Automotive buck regulator and controller with voltage monitors and watchdog timer

number

Pin name

Description

Absolute

maximum

voltage rating

Connection if not

used

VDDIO

I2C I/O driver supply. Connect to 1.8 V or 3.3 V on

the board. Bypass with 0.1 µF capacitor.

–0.3 V to 5.5 V

Connect to VCC

SCL

I2C clock line. Pullup to VDDIO on board.

–0.3 V to 5.5 V

Connect to ground

SDA

I2C data line. Pullup to VDDIO on board.

–0.3 V to 5.5 V

Connect to ground

GPIO1/VDDOTP

General-purpose input/output pin. Used as

VDDOTP during development.

–0.3 V to 10 V

Connect to ground

SW2COMP

SW2 compensation pin. Connect to external

compensation network.

–0.3 V to 5.5 V

Connect to ground

SW2FB

SW2 output voltage feedback. Use external or

internal resistor divider for SW2 outputs ≤ 5.5 V.

Use external resistor divider for SW2 outputs > 5.5

–0.3 V to 7.5 V

Connect to ground

SW2CSN

SW2 current sense feedback (-ve). Route

differentially with SW2CSP to sense circuitry.

–0.3 V to 7.5 V

Connect to ground

SW2CSP

SW2 current sense feedback (+ve). Route

differentially with SW2CSN to sense circuitry.

–0.3 V to 7.5 V

Connect to ground

SW2GLS

SW2 low side MOSFET gate output. Connect to

gate of external low side MOSFET.

–0.3 V to 5.5 V

Leave floating

SW2LX

SW2 switching node. High side gate drive return

path. Route parallel to SW2GHS trace on the

board.

–0.3 V to 40 V

Leave floating

SW2GHS

SW2 high side MOSFET gate output. Connect to

gate of external high side MOSFET.

–0.3 V to (SW2

BOOT + 0.3 V)

Leave floating

SW2BOOT

SW2 bootstrap pin. Connect bootstrap capacitor

between SW2BOOT and SW2LX.

–0.3 V to VSW2LX

+ 6 V

Leave floating

VMON4/GPIO3

(GPO3 for QM

version)

General-purpose input/output pin. Also selectable

as voltage monitoring input via OTP. Only general-

purpose output (GPO3) available in QM version.

–0.3 V to 5.5 V

Connect to ground

VMON3/GPIO2

(GPO2 for QM

version)

General-purpose input/output pin. Also selectable

as voltage monitoring input via OTP. Only general-

purpose output (GPO2) available in QM version.

–0.3 V to 5.5 V

Connect to ground

VMON2

(NA for QM

version)

Voltage Monitor 2 input. Not available in QM

version. Connect to ground for QM version.

–0.3 V to 5.5 V

Connect to ground

VMON1

(NA for QM

version)

Voltage Monitor 1 input. Not available in QM

version. Connect to ground for QM version.

–0.3 V to 10 V

Connect to ground

SW1BOOT

SW1 bootstrap pin. Connect bootstrap capacitor

between SW1BOOT and SW1LX.

–0.3 V to VSW1LX

+ 6 V

Leave floating

18, 19

SW1IN

SW1 input voltage. Bypass with at least 10 µF

capacitor for both pins together.

–0.3 V to 40 V

Connect to VIN

20, 21

SW1LX

SW1 switching node. Connect to inductor.

–0.3 V to 40 V

Leave floating

EN2

SW2 enable input pin.

–0.3 V to 40 V

Connect to ground

Table 3. Pin description

FS5600

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

Product data sheet

Rev. 4 — 29 April 2024

9 / 118

MFS5600AMBAFES bảng dữ liệu(PDF) 9 Page - NXP Semiconductors

MFS5600AMBAFES bảng dữ liệu(HTML) 9 Page - NXP Semiconductors

Html Pages

1 2 3 4 5 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 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

bảng dữ liệu tải về

Link URL