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High Efficiency Arm® Cortex®-M33-Based Microcontroller Family
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The PCA9958 is a 24-channel SPI serial bus 63 mA LED driver with a supply voltage range of 2.7 V to 5.5 V. This device is optimized for dimming and blinking RGBA LEDs.
Each LED has its own 8-bit resolution fixed frequency operating at 31.25 kHz with an adjustable duty cycle 0% - 100% for brightness control. Additional PWM controller has a fixed frequency of 122 Hz and adjustable frequency of 15 Hz duty cycle from 0% - 99.6% for dimming and blinking control.
Output peak current is adjustable with an 8-bit linear DAC from 250 µA to 63.75 mA. The PCA9958 has open and short detection circuitry and thermal shutdown protection. This device has a 4-wire SPI bandwidth of 10 MHz to communicate with the local micro.
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Include 0 NRND
Part | Order | CAD Model | Status | Device Function | Budgetary Price excluding tax | Number of Boost Regulators | Output Voltage (V) | Output Current (A) | Supply Voltage [min] (V) | Supply Voltage [max] (V) | Package Termination Count | Package Type | Interface and Input Control | Ambient Operating Temperature (Min to Max) (℃) | Product Application |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Active | LED drivers | 1K @ US$1.05 | 0 | 5.5 | 0.063 | 2.7 | 5.5 | 40 | HVQFN40 | SPI / SPI | -40 to 85 | Industrial | |||
Active | LED drivers | 1K @ US$1.31 | 0 | 5.5 | 0.063 | 2.7 | 5.5 | 40 | HVQFN40 | SPI / SPI | -40 to 105 | Automotive |
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