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V OS Sleep State P-MOSFET = OFF NO Fast-Charge I CHG_F = 570mA R SET = 2.8k CV State V BATT = 4.2V I CHG = 0A Pre_Charge I CHG_pre = (1/10) x I CHG_F V IN < OVP & EN
https://www.richtek.com/assets/product_file/RT9516/DS9516-01.pdf
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A logic output indicates Li-ion full charge when current drops to 20% of the full-scale adjusted charge current
https://www.richtek.com/assets/product_file/RT9538/DS9538-02.pdf
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4 EN Charge pump enable
https://www.richtek.com/assets/product_file/RT9399/DS9399-00.pdf
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LED Protection Automatic x1/x1.5/x2 Charge Pump Mode Transition Low Input Noise and EMI Charge Pump 5.6V Over-Voltage Protection Power On
Products ▶ LED Drivers ▶ Flash LED Drivers ▶ RT9387A
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RT9397BF is a highly integrated step-up charge pump and inverting charge pump to generate positive and negative
https://www.richtek.com/assets/product_file/RT9397BF/DS9397BF-00.pdf
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RT9363A is a compact, high efficient and highly integrated charge pump white LED driver
Products ▶ LED Drivers ▶ RGB & White LED Drivers ▶ RT9363A
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a control algorithm to vary the charge rate, including pre-charge mode, fast charge mode and constant voltage mode
Products ▶ PMICs ▶ RT5002C
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The RT9373A is a high efficiency and cost effective charge pump white LED driver
Products ▶ LED Drivers ▶ RGB & White LED Drivers ▶ RT9373A
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resistor from this pin to ground to set the charge current
https://www.richtek.com/assets/product_file/RT9534/DS9534-00.pdf
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resistor from this pin to ground to set the charge current
https://www.richtek.com/assets/product_file/RT9535B/DS9535B-04.pdf
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