This quick start guide pertains to the ISL78171EVAL1Z Evaluation Board. This board is populated with 60 LEDs in 6P10S (six parallel strings, each string consisting of 10 LEDs in series) configuration to simplify evaluation and testing. The device can function with or without an I2C controller. If it is required to use I2C control for the ISL78171EVAL1Z board, use a generic I2C interface adapter (not supplied with the evaluation board kit) for the purpose of communication. Please note that the slave address on the ISL78171 is hexadecimal 58. Please refer to the quick setup guides for jumper settings and power-up instructions
- Integrated 40V boost converter
- 6 Precision current sinks, up to 50mA each
- Current matching ±0.7% typical
- Dimming modes: DC, internal PWM, direct PWM, DC + Int/Dir PWM
- Typical dimming ratio exceeding 60,000:1 for DC + Int/Dir PWM
- Phase shift control for internal PWM dimming
- 600kHz/800kHz/1.2MHz I2C selectable switching frequency
- Dynamic headroom control
- Infotainment display LED backlighting
- LCD monitor LED backlighting
- Field sequential RGB LED backlighting
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Disclaimer: THIS MATERIAL IS PROVIDED “AS-IS” FOR EVALUATION PURPOSES ONLY. RENESAS ELECTRONICS CORPORATION AND ITS SUBSIDIARIES (collectively, “Renesas”) DISCLAIM ALL WARRANTIES, INCLUDING WITHOUT LIMITATION, FITNESS FOR A PARTICULAR PURPOSE AND MERCHANTABILITY. Renesas provides evaluation platforms and design proposals to help our customers to develop products. However, factors beyond Renesas' control, including without limitation, component variations, temperature changes and PCB layout, could significantly affect the product performance. It is the user’s responsibility to verify the actual circuit performance.