Datasheet > IMP522

IMP522

更新时间： 2024-01-26 01:58:42

品牌	Logo	应用领域
IMP		驱动器
页数	文件大小	规格书
6页	129K
描述
Dual EL Lamp Driver

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中文翻译

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技术参数
数据手册

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IMP522 技术参数

是否Rohs认证：	不符合	生命周期：	Obsolete
零件包装代码：	SOIC	包装说明：	TSSOP, TSSOP10,.19,20
针数：	10	Reach Compliance Code：	unknown
ECCN代码：	EAR99	HTS代码：	8542.39.00.01
风险等级：	5.92	其他特性：	220V PEAK-TO-PEAK TYPICAL AC OUTPUT VOLTAGE
接口集成电路类型：	HALF BRIDGE BASED PERIPHERAL DRIVER	JESD-30 代码：	S-PDSO-G10
JESD-609代码：	e0	功能数量：	2
端子数量：	10	最高工作温度：	85 °C
最低工作温度：	-40 °C	输出电流流向：	SOURCE AND SINK
封装主体材料：	PLASTIC/EPOXY	封装代码：	TSSOP
封装等效代码：	TSSOP10,.19,20	封装形状：	SQUARE
封装形式：	SMALL OUTLINE	峰值回流温度（摄氏度）：	NOT SPECIFIED
电源：	2/6.5 V	认证状态：	Not Qualified
子类别：	Display Drivers	最大供电电压：	6.5 V
最小供电电压：	2 V	标称供电电压：	3 V
表面贴装：	YES	技术：	CMOS
温度等级：	INDUSTRIAL	端子面层：	Tin/Lead (Sn/Pb)
端子形式：	GULL WING	端子节距：	0.5 mm
端子位置：	DUAL	处于峰值回流温度下的最长时间：	NOT SPECIFIED
Base Number Matches：	1

IMP522 数据手册

IMP522

OWER

ANAGEMENT

DVANCE

RODUCT NFORMATION

Key Features

Dual EL Lamp Driver

The IMP522 is a dual-output, high-voltage electroluminescent (EL) lamp

driver. Either or both EL lamp driver outputs can be turned ON with the

LMPSEL select pin. One EL lamp is connected between V and V and

ꢀ Drive two EL lamps independently

ꢀ Digital LMPSEL pin

— Activate either or both EL output drivers

the other is connected between V_Band V . V_ABis a common pin for both

lamps. With an input supply voltage between 2.0V and 6.5V, the typical

regulated lamp drive voltage is 220V peak-to-peak.

ꢀ 220V_P-Ptypical AC output voltage drives

30nF EL lamps

The device uses a single inductor and a minimum number of passive

components: a storage capacitor, a fast recovery diode and two resistors

to set the PWM and EL drive frequencies. These can be independently

set to optimize brightness and minimize power consumption. R_SWis

connected between the R_SW-OSCpin and the supply pin V_DDto set the

frequency for the internal 4.0Ω switching MOSFET. The switch duty cycle

is 88%. The EL lamp driver frequency is set by R_ELconnected between the

R_EL-OSCpin and the V_DDpin.

ꢀ Wide operating voltage range: 2V to 6.5V

ꢀ Low current consumption: 2mA maximum

ꢀ Disable mode extends battery life

— Disable current 2µA maximum

ꢀ Compact 10-pin MicroSO package

ꢀ High-voltage, low-cost CMOS process

Designed to minimize battery current drain, the IMP522 draws 2mA maxi-

mum. A power-saving shutdown mode reduces current to 2µA maximum.

Applications

The IMP522 is available in a compact 10-pin MicroSO package and in die form.

ꢀ Cellular phones

ꢀ PDAs/Handheld computers

ꢀ Toys/Consumer electronics

ꢀ Safety Illumination

ꢀ LCD modules

ꢀ Remote controls

Block Diagram

L_X(4)

C_S(3)

Switch

Oscillator

(2) R_SW-OSC

–

Regulation

Control

V_REF

Select

A Lamp

V_A(8)

(1) V_DD

Three-Level Detector

Select

B Lamp

(9) LMPSEL

V_AB(7)

Dual

Bridge

Driver

V_DD

Lamp

Drive

Oscillator

(10) R_EL-OSC

(6) GND

V_B(5)

522_01.eps

408-432-9100/www.impweb.com

12 3 4 5 6

中文翻译

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