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MAX14521EETG+

Ballast Controller, Quad EL Lamp Driver, 2.7V to 5.5V Supply, TQFN-24

ANALOG DEVICES MAX14521EETG+
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Manufacturer Part No:
MAX14521EETG+
Order Code:
2514397
Product Range
MAX14521
Technical Datasheet:
MAX14521EETG+   Datasheet
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Product Range Selector (MAX14521)

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Product Overview

The MAX14521EETG+ is a quad, high voltage EL lamp driver with I2C interface in 24 pin TQFN package. This quad output high voltage DC-AC converter drives four electroluminescent (EL) lamps. Input range allows device to accept a variety of voltage sources such as single-cell lithium-ion (Li+) batteries. The lamp outputs of device generates up to 300Vp-p for maximum lamp brightness. The high voltage outputs are ESD protected up to ±15KV human body model (HBM), ±6KV contact discharge and ±8KV air gap discharge as specified in IEC 61000-4-2. It uses a high voltage full bridge output stage to convert high voltage generated by boost converter to a sinusoidal output waveform and utilizes a high frequency spread spectrum oscillator to reduce amount of EMI/EFI generated by boost converter circuit. It is ideal for battery-powered devices with 100nA shutdown current. It is used in keypad backlighting, LCD backlighting, PDAs and smartphones.
  • Supply voltage range is 2.7V to 5.5V
  • Operating temperature range from -40°C to 85°C
  • Integration reduces required board space, low number of needed discrete components
  • Enhances lamp performance, 300Vp-p maximum output for highest brightness
  • ±3% EL output frequency accuracy for truest EL panel colour
  • Individually adjustable output brightness ramping rate and individual dimming control
  • Audio input for dynamic lighting effects
  • I²C interface for control of brightness, EL frequency, boost frequency and shape
  • Eases system integration, sinusoidal output for low audible noise
  • High frequency spread spectrum oscillator reduces EMI/EFI generation

Applications

Power Management, Consumer Electronics, Portable Devices

Warnings

Market demand for this product has caused an extension in leadtimes. Delivery dates may fluctuate. Product exempt from discounts.

Product Information

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:
Quad EL Lamp Driver

:
2.7V

:
5.5V

:
TQFN

:
24Pins

:
-40°C

:
85°C

:
MAX14521

:
MSL 1 - Unlimited

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Technical Documents (1)

CAD Downloads

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Terms and Conditions

CAD Models - Notice
CAD Models and drawings are provided to you on a revocable limited licence for your internal use only but remain the property of the manufacturer who retain all intellectual property rights and ownership. They are provided to assist you in decision making and as design guide but are not guaranteed to be error free, accurate or up to date and is not intended to be taken as advice.
Use of these CAD models and other options provided are downloaded and used entirely at your own risk and by continuing you confirm acceptance of the above.

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Available for back order

More stock available to supplier lead times which is approximately 11/6/23

Due to market conditions delivery times are for general guidance only and may be subject to change at short notice

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