The MC33999 is a 16-channel low-side switch with a 24-bit serial input control. It is designed for a variety of applications including inductive, incandescent, and LED loads.
The MC33999 is a 16‑output low‑side switch with a 24‑bit SPI interface and PWM control, designed for inductive, incandescent and LED loads. It operates from 5.0 V to 27 V supply voltage and includes fault‑management features.
The document contains ordering information, pin definitions, maximum and static electrical ratings, dynamic characteristics, timing diagrams, revision history and contact details for Freescale support.
| Supply Voltage Range | 5.0 V – 27 V |
|---|---|
| Output Current Limit | 0.9 A to 2.5 A |
| Operating Temperature (Ambient) | -40 °C to 125 °C |
| SPI Clock Frequency | 6.0 MHz |
| Output Drain Voltage | -0.3 V to 45 V |
| Power Dissipation (Ta = 25 °C) | 17 W |
The device operates from 5.0 V to 27 V supply voltage.
It provides 16 low‑side outputs.
The SPI interface can run up to 6 MHz.
It operates from –40 °C to 125 °C ambient temperature.