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RENESAS ISL9237HRZT7A Battery Charger

The ISL9237 is a versatile buck-boost narrow VDC battery charger with SMBus interface and USB OTG support. Utilizing Intersil's advanced R3™ technology, it offers high light-load efficiency, fast transient response, and seamless DCM/CCM transitions for mobile and industrial applications. It safely charges 1-, 2-, or 3-cell Li-ion batteries from wide input voltages of 3.2V to 23.4V, while regulating system output from 2.4V to 13.824V. The device supports OTG functionality, programmable current and voltage limits, two-level adapter current limiting, and SMBus communication for customization. Compact in a 4x4 32-LD QFN package, it integrates overcurrent, overtemperature, and overvoltage protections, making it suitable for a broad range of portable and industrial power systems.

Authorized Distributors
Source:Newark
Part No:ISL9237HRZ-T7A
Stock:150
Inv Date:06-06-2026
Price: Unit price: $7.59
Buy/RFQ:
Source:DigiKey
Part No:ISL9237HRZ-T7A
Stock:31
Inv Date:06-06-2026
Price: Unit price: $8.53
Buy/RFQ:
Part No:ISL9237HRZ-T7A
Stock:154
Inv Date:06-07-2026
Price: Unit price: $7.78
Buy/RFQ:
Part No:ISL9237HRZ-T7A
Stock:0
Inv Date:06-05-2026
Price: Unit price: $4.57
Buy/RFQ:

RENESAS ISL9237HRZT7A Battery Charger Specifications:

  • Input Voltage Range: 3.2V to 23.4V
  • System Output Voltage Range: 2.4V to 13.824V
  • Supports 1-, 2- or 3-cell Li-ion Batteries
  • Switching Frequency: Up to 1MHz
  • Buck-boost NVDC topology for flexible power management
  • Supports OTG operation with configurable output voltage and current limits
  • SMBus/I2C Compatibility with programmable parameters
  • Two-Level Adapter Current Limit with programmable duration
  • Overcurrent, Overtemperature and Overvoltage Protections
  • Package: 4x4 32 LD QFN

Buy the Intersil Series ISL9237 Buck-Boost Charger with SMBus: ISL9237HRZT7A

Purchase the Intersil ISL9237HRZT7A online today to unlock advanced buck-boost charging features with SMBus control, USB OTG support, multiple safety protections, and high efficiency. Ideal for portable and industrial applications, this package offers flexible voltage and current regulation, two-level adapter current limiting, and seamless system regulation in a compact 4x4 QFN form factor. Enhance your power management system effortlessly with this reliable, programmable, and safety-compliant charger engineered by Intersil for versatile performance.

Buy Intersil ISL9237HRZT7A now and experience unmatched reliability, efficient power management, and flexible programmability for your mobile and industrial projects.

Frequently Asked Questions

Where can I buy RENESAS ISL9237HRZT7A?

You can click on the BUY or RFQ button to purchase ISL9237HRZT7A from an authorized RENESAS distributor.

How do I troubleshoot issues or seek technical support for part ISL9237HRZT7A?

You can download the ISL9237HRZT7A datasheet or visit the RENESAS website for support.

Who is the manufacturer of ISL9237HRZT7A?

RENESAS

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