Switch-Mode Battery Charger Delivers 5A

Switch-Mode Battery Charger Delivers 5A The fast-charge controller IC3 (Figure 1) normally directs current to the battery via an external pnp transistor. In this circuit, the transistor is replaced with a 5A switching regulator (IC1) that delivers equivalent power with higher efficiency. IC1 is

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DALLAS

NiCd/NiMH Battery Fast-Charge Controllers

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MAXIM

美信

NiCd/NiMH Battery Fast-Charge Controllers

文件：229 Kbytes 頁數(shù)：17 Pages

MAXIM

美信

NiCd/NiMH電池快速充電控制器

MAX712/MAX713使用比最大電池電壓至少高1.5V的直流電源對鎳氫(NiMH)和鎳鎘(NiCd)電池進行快速充電。1至16節(jié)串聯(lián)電池的速率充電可以高達(dá)4C。電壓斜率檢測模數(shù)轉(zhuǎn)換器、定時器和溫度窗口比較器用于確定充電完成。MAX712/MAX713通過板載+5V分流穩(wěn)壓器從直流電源供電。不充電時，它們從電池中消耗的最大電流為5μA。通過低側(cè)電流檢測電阻可以調(diào)節(jié)電池充電電流，同時仍然向電池負(fù)載供電。\n\n MAX712通過檢測零電壓斜率來終止快速充電，而MAX713則采用負(fù)電壓斜率檢測方案。這兩個器件均采用16引腳DIP和SO封裝。外部元件僅需一個外部電源PNP晶體管、阻斷二極 ? 快速充電鎳氫或鎳鎘電池\n\n? 電壓斜率、溫度和定時器快速充電截止\n\n? 為1至16節(jié)串聯(lián)電池充電\n\n? 充電時為電池負(fù)載供電（線性模式）\n\n? C/4至4C快速充電速率\n\n? C/16涓流充電速率\n\n? 自動從快速充電切換到涓流充電\n\n? 線性模式功率控制\n\n? 不充電時電池消耗5μA（最大值）\n\n? 5V分流穩(wěn)壓器為外部邏輯供電;

ADI

亞德諾

NiCd/NiMH Battery Fast-Charge Controllers

General Description The MAX712/MAX713 fast-charge Nickel Metal Hydride (NiMH) and Nickel Cadmium (NiCd) batteries from a DC source at least 1.5V higher than the maximum battery voltage. 1 to 16 series cells can be charged at rates up to 4C. A voltage-slope detecting analog-to-digital converter, t

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MAXIM

美信

NiCd/NiMH Battery Fast-Charge Controllers

General Description The MAX712/MAX713 fast-charge Nickel Metal Hydride (NiMH) and Nickel Cadmium (NiCd) batteries from a DC source at least 1.5V higher than the maximum battery voltage. 1 to 16 series cells can be charged at rates up to 4C. A voltage-slope detecting analog-to-digital converter, t

文件：168.42 Kbytes 頁數(shù)：18 Pages

MAXIM

美信

NiCd/NiMH Battery Fast-Charge Controllers

General Description The MAX712/MAX713 fast-charge Nickel Metal Hydride (NiMH) and Nickel Cadmium (NiCd) batteries from a DC source at least 1.5V higher than the maximum battery voltage. 1 to 16 series cells can be charged at rates up to 4C. A voltage-slope detecting analog-to-digital converter, t

文件：168.42 Kbytes 頁數(shù)：18 Pages

MAXIM

美信

NiCd/NiMH Battery Fast-Charge Controllers

General Description The MAX712/MAX713 fast-charge Nickel Metal Hydride (NiMH) and Nickel Cadmium (NiCd) batteries from a DC source at least 1.5V higher than the maximum battery voltage. 1 to 16 series cells can be charged at rates up to 4C. A voltage-slope detecting analog-to-digital converter, t

文件：168.42 Kbytes 頁數(shù)：18 Pages

MAXIM

美信

NiCd/NiMH Battery Fast-Charge Controllers

General Description The MAX712/MAX713 fast-charge Nickel Metal Hydride (NiMH) and Nickel Cadmium (NiCd) batteries from a DC source at least 1.5V higher than the maximum battery voltage. 1 to 16 series cells can be charged at rates up to 4C. A voltage-slope detecting analog-to-digital converter, t

文件：168.42 Kbytes 頁數(shù)：18 Pages

MAXIM

美信

NiCd/NiMH Battery Fast-Charge Controllers

General Description The MAX712/MAX713 fast-charge Nickel Metal Hydride (NiMH) and Nickel Cadmium (NiCd) batteries from a DC source at least 1.5V higher than the maximum battery voltage. 1 to 16 series cells can be charged at rates up to 4C. A voltage-slope detecting analog-to-digital converter, t

文件：168.42 Kbytes 頁數(shù)：18 Pages

MAXIM

美信