EG4320 overview
EG4320 is a component documented by Jingjing Microelectroni. The PDF description identifies it as "Lead-type cell 3 charging management chip." This guide condenses the most useful engineering information from the available PDF so that designers and sourcing teams can identify the checks that still need confirmation in the original document.
Datasheet snapshot
- Manufacturer: Jingjing Microelectroni...
- Part number: EG4320
- Category: IC
- Datasheet length: 19 Pages
Specifications and operating details
The following points were extracted from the PDF text. Check the associated conditions, notes and limits in the complete document before using a value in a design.
- 特点 专用于铅酸电池充电控制，集成了恒压、恒流及浮充三段式控制模块 内部集成了精准的三路电压基准参考源，专用于恒压、恒流及浮充的模块电路基准源 内部集成了双灯LED充电指示转换电路及驱动电路 可选的浮充点转换电流，同时提供客户定制浮充转换电流 很少的外部元件 易于补偿 低静态工作电流：1.6mA 2.
- 描述 EG4318/EG4319/EG4320 是一款专用于 AC/DC 电源的铅酸电池充电管理芯片，具有恒压、恒流以及浮充 三段式状态自动转换的功能，同时内部集成了双灯 LED 充电指示转换电路及驱动电路，大大简化了外部元 件的数量，大大提高了系统稳定性及降低了生产成本。 EG4318/EG4319内部集成了2.5V 基准电压源、250mV基准电压源、50mV基准电压源，EG4320内部集成 了 2.5V基准电压源、140mV基准电压源、20mV基准电压源，EG4318/.
- 应用领域 各类铅酸电池充电器 喷雾器充电器 逆变器充电器 电动车充电器 产品信息 器件编号： EG4318A/EG4319/EG4320 浮充转换电流 产品型号 可调版本大电流固定版本 范例： “EG4318-A”是表示浮充转换电流是0.5A@Rsense=0.1Ω “EG4318-D”是表示浮充转换电流是0.71A@Rsense=0.1Ω 屹晶微电子有限公司 EG4318/EG4319/EG4320 芯片用户手册 V2.1 铅酸电池三段式充电管理芯片 20.
- 引脚定义 Vcc GND IsenseVfVctrl EG4318/EG4319 1 2 3 4 5678 LED_G LED_Red Vout 图4-1a.
- EG4318/EG4319 内部结构框图 2.5V 8 V CTRLV OUT Isense 基 准 电 压 源 2.5V 140mV FV GND LED_Red VCC VVCTR VICTR VFCTR VICTRVFCTR :第2～3段浮充转换基准电压源 VVCTR VICTR VFCTR :第1段恒压控制基准电压源 :第2段恒流控制基准电压源 Isenf 20mV 图5-1b.
- 典型应用电路 To primary 2.2uFC1 0.1uF Rsense V GND OUT EG4318/EG4319 2.5V CTRLV OUT Isense 基 准 电 压 源 2.5V GND LED_R LED_G VCC Red Green 0.47uF 3.9K 470uF/25V 100uF/25V VF V V CCTR FCTR VFCTR VCCTR 图6-1a.
- EG4320+UC3842 48V 铅酸电池充电器应用图带防反接保护—转灯电流可调 图 6‐4.
Topics covered by the datasheet
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Engineering review checklist
- Verify forward current and voltage, optical bin, wavelength or color coordinates and viewing geometry.
- Derate light output and lifetime for junction temperature and the actual PCB thermal path.
- Confirm polarity, footprint, reflow profile and moisture-sensitivity handling before production.
Always confirm values against the latest manufacturer-controlled datasheet, especially when qualifying a substitute or releasing a production BOM.
View the complete PDF and model record
Open the EG4320 datasheet and model details to review the complete PDF, document pages and available product information.
Source attribution
Adapted from the PDF associated with this DigiCamel model page.
Source model URL: https://www.digicamel.com/product.php?slug=eg4320-jingjing-microelectroni