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ANALOG DEVICES MAX14920ECB+

Analog Front End, Battery Measurement, SPI, 65 V, TQFP-EP-64

ANALOG DEVICES MAX14920ECB+
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Manufacturer Part No:
MAX14920ECB+
Order Code:
2514376
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Technical Datasheet:
MAX14920ECB+   Datasheet
ECAD / MCAD
Supply Frame Models Link
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Product Overview

The MAX14920ECB+ is a high accuracy 12 cell measurement analogue front end (AFE) in 64 pin TQFP package. This battery measurement analogue front end device accurately samples cell voltages and provides level shifting for primary/secondary battery packs. The device simultaneously samples all cell voltages by allowing accurate state of charge and source resistance determination. All cell voltages are level shifted to ground reference with unity gain which simplifies external ADC data conversion. The MAX14920 has low noise, low offset amplifier that buffers differential voltages of up to 5 that allows monitoring of all common lithium-ion (Li+) cell technologies. Passive cell balancing is supported by external FET drivers. Integrated diagnostics in device allow open wire detection and undervoltage/overvoltage alarms. The MAX14920 is controlled by a daisy chainable SPI interface. It is used in telecom battery backup systems, energy storage packs, e-transportation energy packs.
  • Supply voltage range from 6V to 65V
  • Operating temperature range from -40°C to 85°C
  • Industry's most accurate and flexible battery management system building block
  • High accuracy, ±0.5mV cell voltage error
  • Simultaneous cell voltage sampling, self calibration
  • Low power shutdown mode current of 1µA
  • VP supply current of 1µA (EN = low or LOPW = 1) and 65µA (EN = high)
  • 6V minimum (3 cells) operation and cell voltage range from 0.5V to 4.5V
  • Cell voltage range from 0.5V to 4.5V
  • Integrated cell balancing FET drivers and integrated 5V LDO

Applications

Power Management, Industrial

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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:
12/16-Cell Measurement Analog Front End

:
Battery Measurement

:
-

:
SPI

:
6V

:
65V

:
-40°C

:
85°C

:
TQFP-EP

:
64Pins

:
-

:
-

:
-

:
-

:
MSL 3 - 168 hours

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Technical Documents (1)

Available for back order

More stock available to supplier lead times which is approximately 9/09/24

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

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$19.21 ( $21.13  Inc. GST)

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