PCA9620

更新时间： 2024-11-12 10:17:03

品牌	Logo	应用领域
恩智浦 - NXP		驱动器
页数	文件大小	规格书
71页	517K
描述
Universal LCD driver for low multiplex rates

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PCA9620 数据手册

PCA9620

Universal LCD driver for low multiplex rates

Rev. 1 — 9 December 2010

Product data sheet

1. General description

The PCA9620 is a peripheral device which interfaces to almost any Liquid Crystal Display

(LCD)¹with low multiplex rates. It generates the drive signals for any static or multiplexed

LCD containing up to eight backplanes, 60 segments, and up to 480 elements. The

PCA9620 is compatible with most microprocessors or microcontrollers and communicates

via a two-line bidirectional I²C-bus. Communication overheads are minimized using a

display RAM with auto-incremented addressing and display memory switching. The

PCA9620 features an internal charge pump with internal capacitors for on-chip generation

of the LCD driving voltages.

AEC Q100 grade 2 compliant for automotive applications.

2. Features and benefits

Low power consumption

Extended operating temperature range from −40 °C to +105 °C

60 segments and 8 backplanes allowing to drive:

up to 60 7-segment alphanumeric characters

up to 30 14-segment alphanumeric characters

any graphics of up to 480 elements

480 bit RAM for display data storage

Selectable backplane drive configuration: static, 2, 4, 6, or 8 backplane multiplexing

Programmable internal charge pump for on-chip LCD voltage generation up to

3 × V_DD2

400 kHz I²C-bus interface

Selectable linear temperature compensation of V_LCD

Selectable display bias configuration

Wide range for digital and analog power supply: from 2.5 V to 5.5 V

Wide LCD supply range: from 2.5 V for low threshold LCDs and up to 9.0 V for high

threshold (automobile) twisted nematic LCDs

Display memory bank switching in static, duplex, and quadruplex drive modes

Programmable frame frequency in steps of 10 Hz in the range of 60 Hz to 300 Hz;

factory calibrated with a tolerance of ±15 % covering the whole temperature and

voltage range

Selectable inversion scheme for LCD driving waveforms: frame or line inversion

Integrated temperature sensor with temperature readout

On chip calibration of internal oscillator frequency and V_LCD

1. The definition of the abbreviations and acronyms used in this data sheet can be found in Section 15 on page 65.

12 3 4 5 6 7...71

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与PCA9620相关器件

型号	品牌	获取价格	描述	数据表
PCA9620_11	NXP	获取价格	60 x 8 LCD high-drive segment driver for automotive and industrial
PCA9620H	NXP	获取价格	Universal LCD driver for low multiplex rates
PCA9620H/1,518	NXP	获取价格	PCA9620 - 60 x 8 LCD high-drive segment driver for automotive and industrial QFP 80-Pin
PCA9620HQ900	NXP	获取价格	60 x 8 LCD high-drive segment driver for automotive and industrial
PCA9620HQ9001	NXP	获取价格	60 x 8 LCD high-drive segment driver for automotive and industrial
PCA9620U	NXP	获取价格	60 x 8 LCD high-drive segment driver for automotive and industrial
PCA9620U/5GA/Q1,01	NXP	获取价格	PCA9620 - 60 x 8 LCD high-drive segment driver for automotive and industrial DIE 80-Pin
PCA9620U5GA	NXP	获取价格	60 x 8 LCD high-drive segment driver for automotive and industrial
PCA9620U5GAQ1	NXP	获取价格	60 x 8 LCD high-drive segment driver for automotive and industrial
PCA9621	NXP	获取价格	65 mA 8-bit 2-wire bus output port

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