The protection circuit includes hysteresis so that the device will not return to normal operation until the on-chip temperature drops below the preset limit after thermal shutdown occurs.
Batteries no fire, no explosion, batteries itself has adequate security, so polymer battery protection circuit design can be considered omitted PTC and fuse, thereby saving battery cost.
This includes the protection circuitry, a discharge profile consisting of the typical active and standby currents of the application, a charging profile, and the ambient temperatures that the application may experience.
Inductor L1 and capacitor C4 are present to isolate the protective circuit from high-frequency noise on the output line; the impedance of L2 is 250Ω measured at 100MHz.
Others: Completed protective circuit, unique treble watchdog function, make device never crashed; special"black-box" technology to monitor the device process, greatly reduce the maintenance cost Parameters.
The control IC integrates MOSFET drive circuits, diverse protection circuits, an output current monitor function, a self-diagnosis output function, etc., by utilizing Sanken proprietary BCD process.
All models contain an integrated amplification unit comprising an active electronic crossover, overload protection circuitry and two power amplifiers, one for each driver.
L High sensitive spark over-current protection circuit, High sensitive spark over-current protection circuit, automatic induction high cut off the HF for suppress spark, protect the mould;
SO8-FL is suitable for medium power applications, designed for low on-resistance and high-speed-switching MOSFETs including battery protection circuits, PCs, portable electronic devices and DC-DC converters.
Protection Circuitry for Reversed Charger Connection- Maxim Abstract: The DS2784 high-side nFET protector has no protection circuitry for reversed charger connections.
With high safety protective circuit of anti electric spark, make sure the fuel dispenser or oil station will not explode caused by electric spark of display;
An overcurrent protection circuit prevents the load current from exceeding the current capacity of the output transistor, and a built-in thermal shutdown circuit prevents damage caused by heat.
The system also contains a protective circuit designed to terminate the power supply if a power failure lasts longer than the battery duration in order to prevent over-discharge of the storage battery.
Genuine lithium-ion battery packs, for example, commonly contain battery cells with safety features; protection circuits that guard against overcharging, overdischarging, and overcurrent; and protective devices that isolate any overcurrent.
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