The mobile power three-in-one solution refers to the mobile power scheme of the main control chip mobile power MCU without external DC-DC chip and charging management chip. It can also be called four-in-one or five-in-one according to whether it needs to add a reference and an op amp. Mobile power solution, Core Technology's mobile power SOC series chips can reach five in one, but for the sake of common, we are collectively called the mobile power three-in-one solution. Different from HT4901, HT4902, CT6301, CT6302 and other hardware three-in-one solution, the core mobile power SOC adopts the synchronous rectification boost mode, which has high efficiency and low heat, especially in the 2A mobile power solution. The core SOC can achieve synchronous rectification by using two high-speed PWM (16M) and four high-performance ADCs (12bit, dead zone less than 3mV) and unique reference source digital correction patent technology. The basic functions of the three-in-one mobile power supply provide mobile power customers with a uniquely competitive single-chip solution.
The core series of CSU8RP3119/CSU8RF3421/CSU8RF3422/CSU8RF3423 are used in the three-in-one synchronous rectification scheme of mobile power. Among them, CSU8RP3422 and CSU8RF3423 can be used in the mobile power three-in-one solution with LCD display.
ZS6300 is a portable power management IC that is applied to mobile power, integrated lithium battery switch charge management, DC-DC synchronous boost constant current constant power, battery power display, button control and lithium battery protection.
The ZS6300 is charged in the switching mode and integrates the charging method including trickle charging, constant current charging and constant voltage charging. The floating charging voltage accuracy is ±1% in the full temperature range, and the charging current ripple is small. The charging efficiency is high, the charging temperature is low, and the charging current of 2A or higher can be achieved with appropriate peripheral devices.
The ZS6300's DC-DC synchronous boost output voltage is ±1% accurate and provides up to 94% boost conversion efficiency with accurate boost constant current and constant power.
ZS6300 is equipped with 4 LED constant current drive ports to intelligently display battery power. The chip has built-in logic lock function to prevent the state of power indication from being unstable. At the same time, it integrates battery real voltage tracking technology to track the actual internal power of the battery and prevent charging and discharging. Voltage deviation.
When the ZS6300 is charging the battery, the battery indicator will flash after the horse is detected. The battery will automatically turn to boost when the external input power is removed. If it is detected that the mobile power supply does not supply current to the outside, it will automatically enter the standby state within 80S, and the standby current is 20uA, which can effectively extend the static standing time of the battery. At this time, short press the button to start the boost and simultaneously illuminate the power indicator. The indicator can be turned off by pressing the button or the 5S is automatically turned off.
The ZS6300 has multiple protection designs, including load overcurrent protection, short circuit protection, soft start protection, etc. The chip port is designed with high performance ESD protection circuit, which makes the chip extremely reliable. The battery is turned off at 2.9V, effectively protecting and extending the battery charge and discharge times and life.
The chip external rectification hardware drive signal adds a unique frequency-hopping technology to effectively suppress the switching spikes and facilitate the product to pass EMI certification.
The ZS6300 is available in a SOP-16 package.
main feature
â— Input withstand voltage up to 10V and alarm function â— Standby current 20uA â— Battery 2.9V over discharge protection â— Battery over charge protection 4.2V â— Soft start function
◠turbulent / constant current / constant voltage three-stage charging ◠charging current 1A, 2A, 3A (battery end) ◠charging float charging pressure accuracy ± 1% ◠button side charging function
â— Input power-down battery automatic boost output â— Boost efficiency up to 94% (1A) 92% (2A) â— Input and output high-precision current sampling
â—Boost constant current and constant power output function, small current products are also available
Compatible with high current equipment â— Load overcurrent and short circuit hardware protection â— USB output overvoltage protection to prevent damage to equipment â— Flashlight function / long press shutdown function 2 select one â— Output no load detection turn off power saving function â— Four grids of precise logic control Power display â— Advanced battery real voltage tracking technology â— Battery low voltage LED alarm function â— Boost output switching frequency 500K â— Unique switching frequency dithering technology for easy EMI
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