- Datasheet Download Datasheet
- Stock & Prices $ Price & Stock for BQ20Z40PWR-R1
- Part Number BQ20Z40PWR-R1
- Manufacturer Texas Instruments
- Pin Count 20
- Part Category Integrated Circuit
- Package Category Small Outline Packages
- Footprint Name Small Outline Packages - PW0020A
- Released Date Jan 12, 2017
- Last Modified Date May 10, 2025 7:17 AM UTC
- Pinout / Pin List Click Here (Member Only)
BQ20Z40PWR-R1 Details
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Manufacturer Part Number:
BQ20Z40PWR-R1
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Brand Name:
Texas Instruments
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Pbfree Code:
Yes
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Rohs Code:
Yes
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Part Life Cycle Code:
Not Recommended
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Part Package Code:
TSSOP
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Pin Count:
20
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Country Of Origin:
Malaysia, Taiwan
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ECCN Code:
EAR99
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HTS Code:
8542.39.00.90
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Manufacturer:
Texas Instruments
BQ20Z40PWR-R1 Frequently Asked Questions (FAQs)
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Texas Instruments provides a recommended PCB layout in the datasheet, but it's also recommended to follow the guidelines in the application note 'Battery Fuel Gauges: PCB Layout Guidelines' (SLUA443) for optimal performance.
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Calibration of the BQ20Z40PWR-R1 involves a series of steps, including initializing the device, setting the capacity, and performing a learn cycle. Refer to the 'Battery Fuel Gauges: Calibration and Configuration' application note (SLUA442) for detailed instructions.
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The accuracy of the SOC measurement depends on various factors, including the quality of the battery, the calibration process, and the operating conditions. Typically, the BQ20Z40PWR-R1 can achieve an accuracy of ±5% or better, but this may vary depending on the specific application.
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The BQ20Z40PWR-R1 is optimized for lithium-ion batteries, but it can be used with other battery chemistries with some modifications. However, the accuracy and performance may vary, and additional calibration may be required. Consult with Texas Instruments support for guidance on using the BQ20Z40PWR-R1 with non-lithium-ion batteries.
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The BQ20Z40PWR-R1 has a sleep mode to conserve power. To wake up the device, a pulse on the WAKE pin is required. The wake-up mechanism is described in the datasheet, and additional information can be found in the 'Battery Fuel Gauges: Power Management' application note (SLUA441).
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BQ20Z40PWR-R1 Overview
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About Texas Instruments
Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.