EMC2103-4-AP-TR

MICROCHIP  EMC2103-4-AP-TR  芯片, 风扇控制器, 2.5%, QFN-16

The is a RPM-based Fan Controller with hardware thermal shutdown. The EMC2103 is a SMBus fan controller with up to up to 3 external and 1 internal temperature channels. The fan driver can be operated using two methods each with two modes. The methods include an RPM based fan speed control algorithm and a direct PWM drive setting. The modes include manually programming the desired settings or using the internal programmable temperature look-up table to select the desired setting based on measured temperature. The temperature monitors offer ±0.5°C accuracy with sophisticated features to reduce errors introduced by series resistance and beta variation of substrate thermal diode transistors commonly found in processors. The EMC2103 also includes a hardware programmable temperature limit and dedicated system shutdown output for thermal protection of critical circuitry.

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High and low frequency PWM

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RPM based fan control algorithm - Detects fan aging and variation

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Temperature look-up table - Supports DTS data from CPU

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Allows programmed fan response to temperature

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Controls fan speed or PWM drive setting

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Allows externally set temperature data to drive fan

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Automatically detects and supports CPUs requiring the BJT or transistor models

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Resistance error correction

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Supports discrete transistors

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Hardware programmable thermal shutdown temperature - Cannot be altered by software

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Programmable high and low limits for all channels

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Two dedicated GPIOs