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Maxim Integrated Battery Fuel Gauge IC 6 V to 65V Input 4.75V Output Surface Mount TQFP 80-Pin MAX14921ECS+
Specifications
| Country of Origin | India |
|---|---|
| Brand | Maxim Integrated |
| Height | 1.05mm |
| Length | 12.2mm |
| Model | MAX14921ECS+ |
| Mount Type | Surface |
| Series | MAX14921 |
| Maximum Operating Temperature | 85°C |
| Package Type | TQFP |
| Sub Type | Battery Fuel Gauge IC |
| Minimum Operating Temperature | -40°C |
| Pin Count | 80 |
| Maximum Supply Voltage | 65V |
| Minimum Supply Voltage | 6V |
Key Features
- Operates with input voltage range from 6 V to 65 V for flexible battery pack configurations.
- Offers accurate cell voltage measurement with a maximum ±0.5mV cell voltage error.
- Includes integrated cell-balancing FET drivers supporting 12-cell and 16-cell versions.
- Features SPI interface for easy communication and system integration.
- Incorporates open-wire and short fault detection for safety and reliability.
- Supports undervoltage and overvoltage warnings along with thermal shutdown protection.
- Includes low power 1μA shutdown mode for energy-efficient operation.
- Supplied in a surface mount TQFP 80-pin package with compact dimensions.
Product Description
Maxim Integrated MAX14921ECS+ is a high-performance Battery Fuel Gauge IC optimized for battery management systems requiring precision and reliability. This fuel gauge IC supports a broad input voltage range from 6 V to 65 V, enabling it to monitor battery packs with 3 cells minimum, including 12-cell and 16-cell configurations. The device incorporates high accuracy with a cell voltage error of ±0.5mV maximum, ensuring precise state-of-charge measurements.
The IC features integrated diagnostics and SPI interface, facilitating seamless integration into embedded systems. Built-in open-wire and short fault detection enhance system safety, while undervoltage and overvoltage warning alerts provide crucial battery pack protection. Additionally, thermal shutdown safeguards the IC from overheating under extreme conditions.
Designed for surface mounting, this device comes in a TQFP 80-pin package measuring 12.2 mm in length and 1.05 mm in height, supporting compact PCB designs. Low power consumption modes, including a 1μA shutdown mode, make the MAX14921ECS+ suitable for battery-powered and energy-efficient applications.
Common applications include e-transportation energy packs, industrial battery backup systems, telecom battery backup, and general energy storage solutions. Its advanced cell-balancing FET drivers aid in extending battery life by maintaining cell voltage uniformity.
Operates from 6 V to 65 V supporting a wide range of battery pack voltages. High accuracy cell voltage measurement with ±0.5mV maximum error. Includes integrated cell-balancing FET drivers for 12 and 16-cell batteries. SPI interface supports system communication and configuration.
Provides open-wire and short fault detection for enhanced safety. Includes undervoltage/overvoltage warning and thermal shutdown. Compact surface mount TQFP 80-pin package measuring 12.2×1.05 mm. Low power modes include 1μA shutdown for power-sensitive designs.
Explore the Maxim Integrated Battery Management ICs category for related products and technical resources suitable for industrial, telecom, and energy storage system designs.
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Frequently Asked Questions
It operates with an input voltage range from 6 V to 65 V, allowing for flexible battery pack configurations.
It features an SPI interface for easy communication and integration into systems.
It includes open-wire and short fault detection, as well as undervoltage and overvoltage warnings, along with thermal shutdown protection.
The package measures 12.2 mm in length and 1.05 mm in height, designed for surface mounting.
The maximum operating temperature is 85°C, while the minimum operating temperature is -40°C.
This battery fuel gauge IC has a pin count of 80.
It includes a low power shutdown mode that consumes only 1μA, making it suitable for energy-efficient designs.
The country of origin for this product is India.
Common applications include e-transportation energy packs, industrial battery backup systems, telecom battery backup, and general energy storage solutions.
It is part of the MAX14921 series of battery management ICs.
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