The MAX14691–MAX14693 adjustable overvoltage, undervoltage, and overcurrent protection devices guard systems against overcurrent faults in addition to positive overvoltage and reverse-voltage faults. When used with an optional external pMOSFET, the devices also protect downstream circuitry from voltage faults up to +58V, -60V (for -60V external pFET rating). The devices feature a low, 31mΩ, on-resistance integrated FET.
During startup, the devices are designed to charge large capacitances on the output in a continuous mode for applications where large reservoir capacitors are used on the inputs to downstream devices.
Additionally, the devices feature a dual-stage, current-limit mode in which the current is continuously limited to 1x, 1.5x, and 2x the programmed limit, respectively, for a short time after startup. This enables faster charging of large loads during startup.
The MAX14691–MAX14693 also feature reverse-current and overtemperature protection. The devices are available in a 20-pin (5mm x 5mm) TQFN package and operate over the -40°C to 125°C temperature range.
|Internal Pwr. MOSFETs||RON|
|Current Limit Accuracy|
|Fault Response||Reverse Current Protect.||Fault Indicator||Oper. Temp.|
|MAX14691||1||5.5||58||NMOS||31||0.6||6||10||Latchoff||Yes||Yes||-40 to +125|
|See All Overvoltage/Overcurrent Protectors with Internal MOSFETs (26)|
| Pricing Notes: |
This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific and version-specific prices and delivery, please see the price and availability page or contact an authorized distributor.
|Device||Fab Process||Technology||Sample size||Rejects||FIT at 25°C||FIT at 55°C|