IDT develops industry’s first monolithic solution for timing, thermal sensor and fan control
The IDT 9TCS108x devices integrate a low-power system timing solution, two-channel thermal sensor, and four-wire pulse width modulation (PWM) fan controller on a single chip. The low-power PLL design extends battery life in portable applications, while the multiple clock outputs of the device can replace on-board crystals to reduce physical size and weight.
The integrated thermal sensor features two channels with ±1°C accuracy to detect overheating conditions and improve system reliability. A separate temperature alert function for each channel can be programmed to generate reference data for the fan controller or an alert signal for the system, providing design flexibility for different applications.
In addition, the fan controller allows for direct fan control without requiring a system interrupt or supplementary control circuitry, further simplifying the design. The new family of devices offers a number of output and frequency variants, including common frequencies of 24 MHz, 25 MHz, 27 MHz, 48 MHz and 32.768 KHz which consumes less than 2 uA of supply current during battery powered mode. The options also provide additional thermal sensors and other control pins, allowing system designers to choose the device best suited to their application.
Availability and Pricing
The IDT 9TCS1082, 9TCS1083, and 9TCS1085 are currently sampling to qualified customers and are available in a 5×5 mm 32-ld QFN package. The IDT 9TCS108x family pricing starts at $2.50 each for volumes of 10,000 units, with different prices for different options.
More information about the IDT 9TCS108x devices at
www.idt.com/go/MobileAccess
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