Datasheet > FP9928AWQC

FP9928AWQC

更新时间： 2024-09-19 02:51:47

品牌	Logo	应用领域
天钰科技 - FITIPOWER		/
页数	文件大小	规格书
18页	656K
描述
Integrated Multi-Channel DC-DC Converters for Panels

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FP9928AWQC 数据手册

fitipower integrated technology lnc.

FP9928A

Integrated Multi-Channel

DC-DC Converters for Panels

Description

Features

The FP9928A offers a compact power supply solution

to provide all voltages required by EPD panel. The

FP9928A includes 2 high performance PFM DC-DC

converters, one is for positive voltage and the other is

for negative voltage used by EPD drivers, a VCOM

buffer (unity-gain OPA), a positive charge pump and

a negative charge pump to provide adjustable

regulated output voltages.

 High Efficiency

 Low Power Consumption

 2.7V to 5.5V Input Supply Voltage

 I²C Serial Interface

 Over-Temperature Protection

DC-DC Converters

 Fast Transient Response to Pulsed Load

 Built-In 20V, 800mA, 1Ω MOSFET

 Built-In Soft-Start

The converters provide the regulated positive and

negative supply voltage for the panel source driver

ICs.

 Over-Current Protection

LDO Regulator

 Built-In ±15V LDO with ±0.15V accuracy for

Source Driver Supply

The positive charge pump controller provides

regulated EPD gate-on voltage.

charge pump controller provides regulated EPD

gate-off voltage.

The negative

Adjustable VCOM Driver for Accurate

Panel-Backplane Biasing

 -0.6V to -5V

 8-bit Control

Accurate back-plane biasing is provided by a linear

amplifier and can be adjusted either by an external

resistor or the I²C interface. The VCOM driver can

source or sink current depending on panel condition.

For automatic VCOM adjustment in production line,

VCOM can be set from -0.6V to -5V with 8 bit control

through the serial interface.

Regulated Charge Pumps

 Charge Pump for VGH Regulation

 Charge Pump for VGL Regulation

 TQFN-24 (4mm×4mm) Package

 RoHS Compliant

Thermistor Monitoring

 -10°C to +85°C Temperature Range

 ±1°C Accuracy from 0°C to 50°C

The FP9928A provides precise temperature

measurement function to monitor the panel

temperature during operation.

The FP9928A

automatically updates the temperature every 60s.

Applications

 Electro-Phoretic Display (EPD) Panel

 E-Book

 P-DVD

 CAR TV

Pin Assignments

WQ Package (TQFN-24)(4mm×4mm)

Ordering Information

FP9928A□□□

FBGH

DRVN

TR: Tape/Reel

Blank: Tube

VPOS_IN

VPOS

FBGL

VNEG_IN

VSS

VNEG

C: Green

OPOUT

VSSOP

Package Type

WQ: TQFN-24 (4mm×4mm)

Note: Connect pin25 to VSS

Figure 1. Pin Assignment of FP9928A

FP9928A-0.1-OCT-2013

12 3 4 5 6 7...18

中文翻译

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与FP9928AWQC相关器件

型号	品牌	获取价格	描述	数据表
FP9928AWQCTR	FITIPOWER	获取价格	Integrated Multi-Channel DC-DC Converters for Panels
FPA	SHIELD	获取价格	MAGNETIC SWITCHES
FPA	ITT	获取价格	Fiber Optic
FPA05WZA	AUK	获取价格	Card Edge Connector, 5 Contact(s), 1 Row(s), Right Angle, 0.039 inch Pitch, Surface Mount
FPA06WL2	AUK	获取价格	Card Edge Connector, 6 Contact(s), 1 Row(s), Right Angle, 0.039 inch Pitch, Surface Mount
FPA07WL2	AUK	获取价格	Card Edge Connector, 7 Contact(s), 1 Row(s), Right Angle, 0.039 inch Pitch, Surface Mount
FPA08WL2	AUK	获取价格	Card Edge Connector, 8 Contact(s), 1 Row(s), Right Angle, 0.039 inch Pitch, Surface Mount
FPA08WZA	AUK	获取价格	Card Edge Connector, 8 Contact(s), 1 Row(s), Right Angle, 0.039 inch Pitch, Surface Mount
FPA08WZA-H	AUK	获取价格	Card Edge Connector, 8 Contact(s), 1 Row(s), Right Angle, 0.039 inch Pitch, Surface Mount
FPA08WZB-H	AUK	获取价格	Card Edge Connector, 8 Contact(s), 1 Row(s), Right Angle, 0.039 inch Pitch, Surface Mount

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