CMLB051H-6R8MS datasheet(3/37 Pages) KINETIC

3 / 37 page

KTZ8866

January 2022 - Revision 04b

Page 3 of 37

Company Confidential

Pin Descriptions

Pin #

Name

Function

OUTN

Charge pump output pin of the negative power. Bypass with a 10µF ceramic capacitor to

PGND_CHP.

CFLY2

Negative charge pump flying capacitor negative connection.

PGND_CHP

Power ground for negative charge pump.

CFLY1

Negative charge pump flying capacitor pin positive connection.

VIN

Input supply pin for the IC, bypass with a 10µF ceramic capacitor to GND.

ENN

Enable pin for negative power (OUTN), 300K

Ω pull down resistor to GND

ENP

Enable pin for positive power (OUTP), 300K

Ω pull down resistor to GND

OUTP

LDO output pin of the positive power, bypass with a 10µF ceramic capacitor.

Regulated output current sink #1.

SCL

Clock of the I2C interface.

SDA

Bi-directional data pin of the I2C interface.

REG

LCD-Bias Boost converter output pin, bypass a 10µF ceramic capacitor to PGND_LCD

Regulated output current sink #2.

PWM

PWM dimming input pin, 3

00kΩ pull-down resistor at this pin to GND.

HWEN

Active high hardware enable pin,

400kΩ pull-down resistor to GND.

LX_LCD

Switching node of the LCD Bias boost converter.

Regulated output current sink #3.

SGND

Ground pin for sink driver.

AGND

Analog ground pin.

PGND_LCD

Power ground for LCD Bias power supply boost converter.

Regulated output current sink #4.

VOUT

Output voltage sense pin of the step-up converter.

F3, F4

PGND_BL

Power Ground for LED boost converter.

Regulated output current sink #5.

Regulated output current sink #6.

G3, G4

LX_BL

Switching pin of the LED step-up converter.

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