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Frequent questions

  • [FAQ] BQ25620: How does QON pin function work and what is required hold low timing?

    Part Number: BQ25620 The QON pin on the BQ2562x family of devices has 2 functions, which are both controlled by pulling QON low for a certain amount of time. These 2 functions are exit ship mode (i.e. BATFET enable) and system power reset. The timing…

  • [FAQ] Comparison between DCM output voltage ripple and CCM output voltage ripple in D-CAP buck converter

    There are lots of questions asking why DCM output voltage ripple is higher than CCM ripple. This FAQ would give explanation based on D-CAP, DCAP2 and DCAP3 buck converters. The prerequisite is that on-time of DCM operation and CCM operation is same…

  • [FAQ] TPS25751: TPS25751 Application Customization Tool

    Part Number: TPS25751 Customers are interested in configuring the TPS25751 to meet their application need, where can they access the Application Customization Tool mentioned in the TPS25751EVM User Guide (see below)?

  • [FAQ] BQ25720: Low Power Mode when adapter present

    Part Number: BQ25720 Hi Expert, Want to know if enable the Low Power Mode when adapter is presented, what impact will it have? Will cause BATDRV be asserted? Far

  • [FAQ] BQ25720: schematic checklist

    Part Number: BQ25720 Hi Tiger, do we have a basic schematic checklist that can provide to customer for reference?

  • [FAQ] TPS65219: Benefits of a PMIC vs discrete solution to power Sitara AM62x MPU

    Part Number: TPS65219 Other Parts Discussed in Thread: SK-AM62 As systems continue to shrink in both size and power usage, while growing in functionality, designers face the challenge of how to effectively power embedded processor systems. Embedded processor…

  • [FAQ] TPS6594-Q1: How do I set up the Trigger Watchdog?

    Part Number: TPS6594-Q1 This FAQ will cover the situation of how-to setup the Watchdog in trigger mode via I2C writes. Since this FAQ covers multiple parts, there will be slight differences on the implementations will be noted by [TPS6594 / TPS6593…

  • [FAQ] Jitter in DCAP+ Devices

    This FAQ is to help explain why jitter exists in DCAP+ devices, when it is a problem, and how to minimize it. Intro to COT control architectures All buck converter control methods work by changing the duty cycle of the control FET to regulate output…

  • [FAQ] BQ76952: How do I use Units and Native Units to calculate BQ769x2 register values in BQStudio?

    Part Number: BQ76952 Other Parts Discussed in Thread: BQSTUDIO What is the difference between Units and Native Units in BQStudio? Why does the register value I enter in the Data Memory Window not match the register value I read using the Command Sequence…

  • [FAQ] What are the Enable/Disable pin differences between UCC215XX and UCC2155X product families?

    What are the Enable/Disable pin differences between UCC215XX and UCC2155X product families?

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