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EV4690GSD-00A Smart Bypass For LED Open Protection Evaluation Board
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EV4690GSD-00A Smart Bypass For LED Open Protection Evaluation Board
The MPS EV4690GSD-00A is an evaluation board built around the MP4690 for bench characterisation of the device in its intended topology.
The MP4690 is a MOSFET based smart bypass for LED open protection, which provides a current bypass in the case of a single LED fails and becomes an open circuit.
Key Specifications
| Part Number | EV4690GSD-00A |
| Board For | MP4690 |
| Board Type | Evaluation / demonstration board |
| Function | Smart Bypass For LED Open Protection |
| Ordering Codes | EV4690GSD-00A |
Features
- Simple Two Terminal Device
- Automatic Reset if the LED Heals itself or is Replaced
- 0.22Ω Typical On-state Resistance
- Less than 1µA Off-state Current
Evaluation Board
Applications
- LEDs where Preventive Maintenance is not Practical
- LED Headlights
- LEDs with high Reliability Requirements
- Crowbar Protection for Open Circuit Conditions
Design Notes
- The board ships in a default configuration; check the jumper and resistor options against the user guide before applying power.
- Respect the input terminal rating — most faults on evaluation boards come from an supply above the marked limit.
- Test points on the switching node and output are for a short-ground probe, not for a long oscilloscope lead.
- Where a GUI is supported, connect the dongle before power-up so the device enumerates on the I²C bus.
Common Questions
What are the defining features of the EV4690GSD-00A?
Simple Two Terminal Device Automatic Reset if the LED Heals itself or is Replaced
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