Order- MP7230
MP7230
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Description
The MP7230 is a fixed-frequency, constant-current, buck-boost LED driver with integrated power MOSFETs. The device offers a compact solution that can achieve up to 1.2A of continuous output current (IOUT) across a wide input voltage (VIN) supply range, with excellent load and line regulation. The MP7230 can also be configured to buck mode to provide up to 3A of constant load current.
The MP7230 can support pulse-width modulation (PWM) dimming frequencies as low as 10Hz to adjust infrared radiation (IR) in LED driver applications. It is also compatible with 30FPS, 60FPS, and 120FPS dimming. Constant frequency hysteretic control mode provides extremely fast transient response without loop compensation.
Full protection features include over-current protection (OCP), thermal derating, and thermal shutdown (TSD). The MP7230 requires a minimal number of readily available, standard external components, and is available in a space-saving QFN-19 (3mmx4mm) package.
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Features & Benefits
- Built for a Wide Range of Infrared Radiation (IR) LED Applications:
- Wide 6V to 42V Operating Input Voltage (VIN) Range
- 10Hz to 2kHz Pulse-Width Modulation (PWM) Dimming Frequency
- Compatible with 30FPS, 60FPS, and 120FPS Dimming
- High Performance for Improved Thermals:
- Configurable LED Current without Sensing Resistor
- 44mΩ/40mΩ Low RDS(ON) Internal Power MOSFETs
- High-Efficiency Synchronous Mode
- Optimized for EMC/EMI Reduction:
- 410kHz Default Switching Frequency (fSW) with Frequency Spread Spectrum (FSS)
- EMI Reduction Technique
- Full Protection Features:
- LED Short to Ground Protection
- LED Short to Battery Protection
- LED Open Protection
- Output Over-Voltage Protection (OVP) with Fault Indication
- Over-Current Protection (OCP) with Latch-Off Mode
- Configurable Thermal Derating via NTC Remote Temperature Sense
- Thermal Shutdown
- Additional Features:
- Configurable 1.2A Current in Buck-Boost Mode or 3A in Buck Mode
- 5% LED Current Accuracy with 700mA to 1.2A in Buck-Boost Mode or 1A to 2A in Buck Mode
- Available in a QFN-19 (3mmx4mm) Package
- Available in a Wettable Flank Package
Active Part Numbers:
MP7230GLE-Z MP7230GLE-P
Part numbers ending in P and Z are the same parts. P and Z only indicates reel size.
Meaning of P & Z
MP7230 Resources
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AUTOMOTIVE IRPRODUCT CATEGORY -
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