Datasheet > HV832X

HV832X

更新时间： 2024-11-03 22:48:27

品牌	Logo	应用领域
超科 - SUPERTEX		驱动器
页数	文件大小	规格书
6页	51K
描述
Dual High Voltage, Low Noise EL Lamp Driver

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HV832X 技术参数

是否Rohs认证：	不符合	生命周期：	Obsolete
零件包装代码：	DIE	包装说明：	DIE,
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	5.92
其他特性：	THE DEVICE CAN DRIVE TWO EL LAMPS	接口集成电路类型：	EL DISPLAY DRIVER
JESD-30 代码：	X-XUUC-N	JESD-609代码：	e0
复用显示功能：	NO	功能数量：	1
区段数：	2	最高工作温度：	85 °C
最低工作温度：	-40 °C	封装主体材料：	UNSPECIFIED
封装代码：	DIE	封装形状：	UNSPECIFIED
封装形式：	UNCASED CHIP	峰值回流温度（摄氏度）：	NOT SPECIFIED
认证状态：	Not Qualified	最大供电电压：	5 V
最小供电电压：	2 V	标称供电电压：	3 V
表面贴装：	YES	温度等级：	INDUSTRIAL
端子面层：	TIN LEAD	端子形式：	NO LEAD
端子位置：	UPPER	处于峰值回流温度下的最长时间：	NOT SPECIFIED
Base Number Matches：	1

HV832X 数据手册

HV832

Dual High Voltage, Low Noise EL Lamp Driver

Features

General Description

❏ 8-pin dual EL driver IC

The Supertex HV832 is a high voltage driver designed for driving

two EL lamps with a combined area of 3.5 square inches. The

input supply voltage range is from 2.0V to 5.0V. The device is

designed to reduce the amount of audible noise emitted by the

lamp. The device uses a single inductor and a minimum number

of passive components. The nominal regulated output voltage

that is applied to the EL lamp is ±90V.

❏ Input control for lamp selection

❏ Split supply capability

❏ Patented output timing

❏ One minature inductor to power both lamps

❏ 150nA shutdown current

The HV832 has an internal oscillator, a switching MOSFET, and

twohighvoltageELlampdrivers. Thefrequencyfortheswitching

MOSFETis set at 51KHz nominal. The ELlamp driver frequency

is set by dividing the MOSFET switching frequency by 128. An

external inductor is connected between the L_Xand V_DDpins or

V_INfor split supply applications. A 0.001 to 0.01µF, 100V

capacitor is connected between C_Sand Ground. The EL lamps

are connected between EL₁to Com and EL₂to Com.

❏ Wide input voltage range (2.0V to 5.0V)

❏ Output voltage regulation

❏ No SCR output

Applications

❏ Dual display cell phones

❏ Keypad and LCD backlighting

❏ Dual segment lamps

An input control pin is available to select various modes of the

device. Each logic pulse applied to the control pin will cause the

device to change to the next mode. The sequence for the modes

is: (1) EL₁on only, (2) EL₂on only, (3) both EL₁and EL₂on, and

(4) device shuts down. During power up of the device, the mode

will default to shut down.

❏ Handheld wireless communication devices

The switching MOSFET charges the external inductor and

discharges it into the capacitor at Cs. The voltage at C_Swill start

to increase. Once the voltage at Cs reaches a nominal value of

90V, the switching MOSFETis turned off to conserve power. The

outputs EL₁to Com and EL₂to Com are configured as H bridges

EL1/EL2 and Com are switching in opposite states to achieve

180V across the EL lamp.

Typical Application

V_DD

Logic Input Pulse

EL Lamp 1

EL₂

EL₁

V_DD

EL Lamp 2

Com

C_S

Control

GND

L_X

V_IN

C_S

HV832MG

C_IN

L_X

12/13/01

Supertex Inc. does not recommend the use of its products in life support applications and will not knowingly sell its products for use in such applications unless it receives an adequate "products liability

indemnification insurance agreement." Supertex does not assume responsibility for use of devices described and limits its liability to the replacement of devices determined to be defective due to

workmanship. No responsibility is assumed for possible omissions or inaccuracies. Circuitry and specifications are subject to change without notice. For the latest product specifications, refer to the

Supertex website: http://www.supertex.com. For complete liability information on all Supertex products, refer to the most current databook or to the Legal/Disclaimer page on the Supertex website.

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与HV832X相关器件

型号	品牌	获取价格	描述	数据表
HV833	SUPERTEX	获取价格	High Voltage EL Lamp Driver
HV833	MICROCHIP	获取价格	HV833 is a high voltage driver designed for driving EL lamps of up to 35nF (10-12in2). The
HV833_07	SUPERTEX	获取价格	High Voltage EL Lamp Driver
HV833DB1	SUPERTEX	获取价格	EL Lamp Driver
HV833MG	SUPERTEX	获取价格	High Voltage EL Lamp Driver
HV833MG-G	SUPERTEX	获取价格	High Voltage EL Lamp Driver
HV833X	SUPERTEX	获取价格	High Voltage EL Lamp Driver
HV835	SUPERTEX	获取价格	Low Noise Dual EL Lamp Driver
HV835K7-G	SUPERTEX	获取价格	Low Noise Dual EL Lamp Driver
HV839	SUPERTEX	获取价格	High Voltage Dual EL Lamp Driver

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