Description
(2-5piece) 100% New ISL9538BHRTZ ISL9538BH 9538BHRTZ 9538BH ISL9538CHRTZ ISL9538CH 9538CH 9538CHRTZ QFN-32 Chipset
Upgrade your electronic designs with the ISL9538 family of high‑performance, low‑power I/O expanders. Packaged in a compact QFN‑32 package, this chipset delivers reliable, high‑speed communication for a wide range of industrial, automotive, and consumer applications.
Product Overview
The ISL9538 series offers versatile I/O expansion with robust performance in demanding environments. Each chip features:
- 32‑pin QFN package for space‑constrained designs
- Dual 8‑bit I/O ports for flexible signal routing
- High‑speed I²C interface up to 400 kHz
- Wide supply voltage range (2.5 V to 5.5 V)
- Low power consumption for battery‑powered systems
Key Highlights
- High Pin Density: 32 pins in a small footprint for maximum board real estate.
- Low Power: Ideal for mobile and IoT devices.
- Robust I²C Compatibility: Works seamlessly with popular microcontrollers.
- Temperature Tolerance: Operates from –40 °C to +85 °C.
- Secure I/O: Configurable pull‑ups, open‑drain, and interrupt outputs.
Technical Specifications
Key electrical and mechanical details:
- Package: QFN‑32 (7 mm × 7 mm)
- Operating Voltage: 2.5 V – 5.5 V
- Operating Current: < 10 mA
- I²C Clock Speed: 100 kHz / 400 kHz / 1 MHz (configurable)
- Operating Temperature: –40 °C – +85 °C
- Pin Functionality: 32 I/O pins, 2 I²C pins, 1 VCC, 1 GND
Applications
These chipsets are perfect for:
- Industrial automation and control panels
- Automotive electronic control units (ECUs)
- Consumer electronics and home automation
- Medical devices requiring reliable I/O expansion
- IoT gateways and edge computing modules
Order your ISL9538BHRTZ or ISL9538CHRTZ today and experience the reliability and performance that modern electronic systems demand.






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