Boost and depressurization of lithium battery and voltage rise and fall method o...

1. Voltage rise and fall test of lithium battery First, let the lithium battery drop to 3.3V through the step-down chip, then supply power to the MCU and Bl...

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Application and types of operational amplifiers

What is an operational amplifier? Operational amplifier is a circuit unit with high magnification, which has the characteristics of strong load carrying cap...

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Explain the principle and difference between DC-DC and LDO

LDO： The low dropout linear voltage regulator, hence its name, means linear voltage regulator. It can only be used in step-down applications, that is, the o...

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PE3400 N channel enhanced power MOSFETGO function description

The PE3400 is an N-channel enhanced power MOSFET. The PE3400 is provided with advanced groove technology, good RDS (ON), low gate charge and gate operation, and...

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CST4054B a perfect single lithium ion battery constant current/constant voltage ...

CST4054B is a perfect single-chip constant current/constant voltage linear power management chip for lithium ion battery. The CST4054B‘s thin size and small ou...

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TC618CS single channel DC positive and negative motor drive chip function introd...

TC618CS single-channel DC forward and reverse motor drive chip, TC618CS provides an integrated brushless DC motor drive solution for battery-powered toys, low-v...

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XS9110A PCB Layout suggestions

XS9110A PCB Layout suggestions In most applications, EMC requirements can be met using a magnetic bead filter. However, the switching edge of class D power ampl...

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XS9110A a low EMI, no filter, AB/D optional audio power amplifier function intro...

XS9110A is a low EMI, filter free, class AB/D optional audio power amplifier. At 14.4V operating voltage, the maximum driving power is 25W (VDD=14.4V,4 ω BTL lo...

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CST118F application reference circuit diagram and PCB wiring guidance

Note: in different applications, only one C1 and C2 can be considered: in 3V applications, one 1uF or above is recommended; A 4.7uF or above is recommended for ...

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XS4150B a single channel audio amplifier IC with off mode function introduction

XS4150B is a single channel audio amplifier IC with off mode. Operating at 5.5V input voltage, the average power on the load (4 ω) is 3W and the distortion does...

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Introduce you to the CST6508 dual channel brushless DC motor driver chip use pre...

CST6508 Special notes: CST6508 power supply to ground generally recommended 104 capacitor. If the power supply fluctuates greatly or the output drive current i...

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lIntroduce you to LS2101A capacitive touch detection chip PCB design considerati...

1. The size of the touch induction panel should be designed according to the panel medium, panel thickness and other parameters. 2. Induction wire: on PCB, the ...

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XS9908 a high efficiency, high PWM switching frequency DC-DC converter function ...

XS9908 is a high efficiency, high PWM switching frequency DC-DC converter. The chip has a built-in 4A, 0.06ohm power switch, which can provide up to 18V output ...

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ZC8809 a power up to 5.4W AB/D switching audio power amplifier function introduc...

ZC8809 overview: The ZC8809 is an AB/D switched audio power amplifier with automatic gain control and up to 5.4W power based on charge pump boost technology. ZC...

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XS4890B a single channel audio amplifier IC with off mode function introduction

XS4890B is a single channel audio amplifier IC with off mode. Operating at 5V input voltage, the average power on the load (4 ω) is 2.5W and the distortion does...

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XS9971 a is an ultra-low EMI, filter free, Class-AB / D optional audio power amp...

XS9971是一款低EMI，无需滤波器， AB/D类 可选式音频功率放大器。5.5V 工作电压时，最大 驱动功率为5.5W（VDD=5V,2Ω BTL 负载， THD<10%），音频范围内总谐波失真噪声...

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ChipSourceTek Take you to know the precautions for the use of CST6116 chip

ChipSourceTek takes you to know the precautions for the use of CST6116 chip: 1. 104 capacitance is recommended for CST6116 power supply to ground. If the power ...

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Understand the differences between common mode inductance and differential mode ...

In filters, switching power supplies and other products, in order to resist electromagnetic interference, we often use two components, common mode inductan...

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Eight circuit fault detection methods

Electronic circuit troubleshooting can generally be detected by input to input sequence or by reverse method from output to input. No matter from which dire...

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Explanation of the difference between sound line and audio line

Audio line: a line used to convey dynamic. It is composed of audio cable and connector. AV line is the most commonly used audio line. Audio line: the line speci...

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