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MAX14920ECB+T The MAX14920ECB+T is a battery measurement analog front-end IC from Analog Devices / Maxim Integrated. It accurately samples cell voltages for up to 12 cells.
Mfr Part #:

MAX14920ECB+T

Available from 1 distributors
Mfr Name: Analog Devices / Maxim Integrated
Analog Devices / Maxim Integrated
The MAX14920ECB+T is a battery measurement analog front-end IC from Analog Devices / Maxim Integrated. It accurately samples cell voltages for up to 12 cells.
✓ Total Stock: 4,520 pcs
$ Price Range: $0.75

MAX14920ECB+T Available from 1 distributor

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✓ Non-Authorised
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Romaks Technologies ✓
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4,520 pcs
On Request
4520 pcs On Request 1 On Request On Request On Request On Request On Request
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MAX14920ECB+T Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Battery Chemistry
Fault Protection
Function
Interface
Mounting Type
Number of Cells
Operating Temperature
Operating Voltage
Supplier Device Package
Supplier Package
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MAX14920ECB+T Description

Short technical summary and product information.

The MAX14920ECB+T is a high-accuracy battery measurement analog front-end (AFE) device designed for primary and secondary battery packs. It can monitor up to 12 cells, providing precise cell voltage sampling with a maximum error of ±0.5mV. This high accuracy is crucial for determining the state-of-charge and source-resistance, especially for cell chemistries with flat discharge curves like lithium-metal phosphate.

 

The device features a low-noise, low-offset amplifier that buffers differential cell voltages up to +5V, compatible with common lithium-ion technologies. It supports passive cell balancing via external FET drivers and includes integrated diagnostics for open-wire detection, undervoltage/overvoltage alarms, and thermal shutdown. Communication is handled through a daisy-chainable SPI interface.

 

The MAX14920ECB+T is housed in a 64-pin TQFP package with an exposed pad, suitable for surface mounting. It operates across an extended temperature range of -40°C to +85°C, making it suitable for industrial and automotive applications.

 

Applications include industrial and telecom battery backup systems, energy storage packs, and e-transportation energy packs.

MAX14920ECB+T Quick Information

Product Type: Battery Management IC
Series: MAX14920
Canonical Name: MAX14920ECB+T Battery Measurement Analog Front-End IC
Subcategory: Battery Monitor

MAX14920ECB+T Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

MAX14920ECB+T Estimated Pricing

Qty Low High
1+ $0.75 $0.75

Estimated market price range - modelled values for guidance only, not live distributor offers.

MAX14920ECB+T Features

  • High accuracy cell voltage monitoring.
  • Supports up to 12 lithium-ion cells.
  • Low ±0.5mV maximum cell voltage error.
  • Integrated diagnostics and fault detection.
  • SPI interface for control and data.

MAX14920ECB+T Applications

  • Used in electric vehicle battery packs.
  • Ideal for energy storage systems.
  • Suitable for portable equipment.
  • Applicable in industrial battery monitoring.
  • Designed for multi-cell battery management.

MAX14920ECB+T FAQs

7 frequently asked questions generated from this part’s specifications.
What is the minimum operating voltage?

The minimum operating voltage is +6V for 3-cell operation.

What package is the MAX14920ECB+T available in?

It is available in a 64-TQFP Exposed Pad package (10x10mm) for surface mount.

What is the operating temperature range?

-40°C to 85°C.

How many cells can the MAX14920ECB+T monitor?

It can monitor 1 to 12 cells.

What is the cell voltage measurement accuracy?

The maximum cell voltage error is ±0.5mV.

What is the shutdown current consumption?

The shutdown mode current is 1µA.

What is the cell voltage range?

The cell voltage range is +0.5V to +4.5V.

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