1 , power management  bq76200 The bq76200 device is a low-power, high-side N- channel system. High-side protection prevents the system’s ground pins from being disconnected while allowing continuous communication between the battery pack and the host system. Separate enable inputs allow the CHG and DSG FETs to be turned on and off individually , providing a flexible battery system implementation.bq76200 device can be used with analog front end and supporting device, e.g. bq76920 / 30/40 series, section 3 to section 15 battery monitor analog front end and a host or a dedicated microcontroller, a state of charge (SOC) trace gas gauge device.             FDC2214 FDC2112 FDC2114 Sensors in capacitive sensing systems can use any metal or conductor, thus enabling highly flexible, low-cost system designs.

The main limiting factor in the sensitivity of capacitive sensing applications is the noise sensitivity of the sensor. The FDC2x1x features an innovative anti- EMI architecture that maintains performance even in high-noise environments. This family of devices supports a wide range of excitation frequencies, providing flexibility in system design. The wide frequency range is particularly useful for the reliability of sensing of conductive liquids, such as detergents, soap and inks.  Oversized maximum input capacitance enables the use of remote sensors and tracks changes in the environment over time, temperature and humidity.

   FDC2x1x family of devices for proximity sensing and level sensing applications, applicable to all types of liquids. If there is interference with non-conductive level sensing applications (such as manpower), it is recommended to use an integrated active shield driver               FDC1004 .           UCC24630 The controller and the MOSFET combine to form an approximately ideal diode rectifier. The solution not only directly reduces the power consumption of the rectifier, but also reduces the loss on the primary side with increased efficiency.   The UCC24630 uses a volt-second balanced control method and is not directly connected to the drain of the MOSFET , making it ideal for flyback sources over a wide output voltage range.

The SR drive-off threshold is independent of the MOSFET RDS (on) , which optimizes the maximum on-time. In addition, secondary side current ringing caused by device and wiring inductance does not affect the SR turn-off threshold.   UCC24630 is compatible with discontinuous conduction mode (DCM) , conversion mode (TM) and CCM three operating modes.            TPS92691 The TPS92691 / -Q1 is a general-purpose LED controller supporting a series of boost or buck driver topologies. It incorporates a high-voltage (65V) rail-to-rail current sense amplifier, allowing direct measurement of LED current using high-side or low-side series sense resistors . The amplifier can be used to achieve low input offset voltage and better than ± 3% is obtained LED current accuracy at 25 ° C to 140 ° C junction temperature range and the output common-mode voltage range of 0 to 60V.

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   The LED current can be individually modulated using analog or PWM dimming techniques . A linear analog dimming response with a 15: 1 range is obtained by changing the voltage from 140 mV to 2.25 V over the high impedance analog trim input (IADJ) range . PWM dimming of LED current is achieved by modulating the PWM input pins to the desired duty cycle and frequency . An optional DDRV gate driver output can be used to achieve a contrast ratio higher than 1000: 1 for the series FET dimming function .   The TPS92691 / -Q1 supports continuous checking of the LED status by current monitoring output . This can be achieved LED short circuit or open circuit detection and protection.