多合一充电芯片及充电设备

By designing an all-in-one charging chip that includes a control module, an OVP module, and an LDO module, the problem that existing charging chips cannot meet the needs of various charging designs is solved. It achieves stable voltage supply and overvoltage protection, making it suitable for electronic products with displays and multiple LED displays.

CN224520728UActive Publication Date: 2026-07-17SHENZHEN BOECA PHOTOELECTRICITY TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHENZHEN BOECA PHOTOELECTRICITY TECH CO LTD
Filing Date
2025-08-14
Publication Date
2026-07-17

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Abstract

本实用新型公开一种多合一充电芯片及充电设备，涉及充电芯片技术领域，包括控制模组、OVP模组、LDO模组和充电模组，所述OVP模组分别与所述LDO模组和所述充电模组连接，所述控制模组分别与所述LDO模组和所述充电模组连接，所述控制模组、OVP模组、LDO模组和充电模组封装为一体式芯片。与现有充电芯片不同的是，本实用新型通过控制模组、OVP模组、LDO模组和充电模组构成多合一充电芯片，LDO模组能够提供稳定电压，为采用显示屏或其它显示方法或多个LED显示的电子产品供电，OVP模组能够在快充过程中实现过压保护，满足电子产品的多种充电设计。
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Claims

1. An all-in-one charging chip, characterized in that, It includes a control module, an OVP module, an LDO module, and a charging module. The OVP module is connected to the LDO module and the charging module, respectively. The control module is connected to the LDO module and the charging module, respectively. The control module, OVP module, LDO module, and charging module are packaged into an integrated chip.

2. The all-in-one charging chip of claim 1, wherein, The chip includes a CHRG pin, a VCC pin, a VDD pin, a BAT pin, a PROG / NTC pin, and a GND pin. The CHRG pin and the PROG / NTC pin are connected to the control module, the VCC pin is connected to the OVP module, the VDD pin is connected to the LDO module, and the BAT pin is connected to the charging module.

3. The all-in-one charging chip of claim 2, wherein, The CHRG pin is connected to at least one pull-down resistor to obtain at least one charging current corresponding to the pull-down resistor.

4. The all-in-one charging chip of claim 3, wherein, The charging current is 150mA, 300mA or 500mA.

5. The all-in-one charging chip of claim 1, wherein, The chip includes a CHRG pin, an STDBY pin, a VCC pin, a VDD pin, a BAT pin, a PROG pin, a TEMP pin, and two GND pins. The CHRG pin, the STDBY pin, the PROG pin, and the TEMP pin are connected to the control module, the VCC pin is connected to the OVP module, the VDD pin is connected to the LDO module, and the BAT pin is connected to the charging module.

6. The all-in-one charging chip of claim 5, wherein, The CHRG pin is connected to at least one pull-down resistor to obtain at least one charging voltage corresponding to the pull-down resistor.

7. A charging device, characterized by Includes the all-in-one charging chip according to any one of claims 1-6.