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provides a device detection function by using the USB ID pin signal and the VBUS voltage
https://www.richtek.com/assets/product_file/RT8973A/DS8973A-00.pdf
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The RT9527A is a low cost single-cell Li-ion charger for low current charge applications
Products ▶ Battery Management ▶ Single Cell Li-ion Battery Chargers ▶ RT9527A
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5A 2-4 Cell Buck-Boost Switching Battery Charger Evaluation Board
Design Support ▶ Design Reference ▶ EVB_RT9492GQVF(2)
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In case of deep discharge, the battery charger will first provide a low pre-charge
https://www.richtek.com/battery-management/en/battery-mgmt-overview.html
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Reset ICs Switches Switching Regulators USB Type-C & PD Solutions Vcore
Products ▶ Battery Management ▶ Single Cell Li-ion Battery Chargers ▶ RT9481
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integrated low cost single-cell LiIon battery charger IC ideal for portable applications
https://www.richtek.com/assets/product_file/RT9505/DS9505-02.pdf
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Moreover, for USB Type-C, a PD controller can be used to communicate with the adapter by USB Type-C and Power Delivery (PD) protocol, such
Design Support ▶ Technical Documentation ▶ RT9490/RT9492 Application Note: Implement Charge System with the RT9490/RT9492
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The charger includes USB charger detection circuitry via D+ and D- pins of USB interface to detect USB standard downstream ports (SDP), USB charging
https://www.richtek.com/assets/product_file/RT5021/DS5021-03.pdf
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integrated low cost single-cell LiIon battery charger IC ideal for portable applications
https://www.richtek.com/assets/product_file/RT9513/DS9513-01.pdf
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In the future, you’ll see not only high-power USB PD travel adapters, but also the new generation cars will have high power USB ports which are powered from the car battery
About Richtek ▶ Product Newsletters ▶ Newsletter Issue 40
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