Monolithic Power Systems (MPS) MPQ7225A 16-Channel Current Sink LED Drivers
Monolithic Power Systems (MPS) MPQ7225A 16-Channel Current Sink LED Drivers can handle 200mA per channel. Multiple ICs can be linked to create a 256-channel setup. The MPS MPQ7225A is ideal for dynamic lighting with individual control per channel via 12-bit PWM and 6-bit analog dimming. The driver is designed for use across distant PCBs with a high-speed, CAN-compatible interface. The drivers incorporate adaptive feedback control to optimize system efficiency by adjusting the pre-regulator output voltage in real-time to minimize voltage across channels (300mV headroom at 200mA).
Features
- Scalability
- 16x channels, 200mA (maximum) per channel
- Cascade up to 16x ICs /256x channels
- Pin-configurable device address
- Designed for automotive applications
- Supports up to 2.5V cold crank
- -40°C to +150°C operating junction temperature (TJ)
- Cooler thermals and optimized efficiency
- Adaptive Feedback Control (AFC) dynamically optimizes pre-regulator output (300mV headroom at 200mA)
- Headroom optimization for multiple ICs
- Robust communication
- 2Mbps CAN-compatible differential interface
- 12-bit Pulse-Width Modulation (PWM) dimming or 6-bit analog dimming for each channel
- Thermal warning and shutdown
- Optimized EMI/EMC
- Configurable phase shift and slew rate
- Frequency Spread Spectrum (FSS) (internal clock)
- Selectable PWM dimming frequency
- CISPR25 Class 5 compliant
- Functional safety document available to support system in achieving ASIL requirements
- Failsafe (/FS) pin and fault registers for system protection and diagnostics
- LED short (to GND and battery)
- LED open
- ISET pin open/short
- One-Time Programmable (OTP) memory
- Available in a QFN-32 (5mm x 6mm) package with wettable flanks
- AEC-Q100 Grade 1 available
Applications
- Dynamic/animated tail lights
- Adaptive matrix headlights
- Daytime Running Lights (DRLs)
- Turn signals
- Puddle lights
TYPICAL APPLICATION
Pubblicato: 2024-05-22
| Aggiornato: 2024-05-31