一般說(shuō)明：MAX14921ECS+T
MAX14920 /MAX14921ECS+T電池測(cè)量模擬前端設(shè)備可準(zhǔn)確采樣電池電壓并提供一次/二次電池組的電平轉(zhuǎn)換最高16個(gè)電池/ + 65V（最大）。 MAX14920監(jiān)控最多12個(gè)單元，而MAX14921ECS+T最多監(jiān)視16個(gè)單元。兩種設(shè)備都同時(shí)采樣所有電池電壓，允許精確的充電狀態(tài)和源電阻判定。所有電池電壓均已移至地電平具有單位增益的參考，簡(jiǎn)化了外部ADC數(shù)據(jù)轉(zhuǎn)換。這些器件具有一個(gè)低噪聲，低失調(diào)放大器，緩沖高達(dá)+ 5V的差分電壓，從而可以監(jiān)視所有常見(jiàn)的鋰離子（Li +）電池技術(shù)。產(chǎn)生的電池電壓誤差為Q0.5mV。該設(shè)備的高精度使其成為監(jiān)視的理想選擇具有非常平坦的放電曲線的電池化學(xué)物質(zhì)，例如鋰金屬磷酸鹽。外部FET支持無(wú)源電池平衡司機(jī)。設(shè)備中的集成診斷允許開(kāi)路檢測(cè)和欠壓/過(guò)壓警報(bào)。這些設(shè)備由可菊花鏈控制SPI接口。
MAX14920提供64引腳（10mm x 10mm）封裝TQFP封裝，帶裸露焊盤(pán)。MAX14921ECS+T是采用80引腳（12mm x 12mm）TQFP封裝。兩種器件的額定溫度范圍均為-40°C至+ 85°C擴(kuò)展的溫度范圍。
應(yīng)用領(lǐng)域：MAX14921ECS+T
工業(yè)電池備用系統(tǒng)
電信電池備用系統(tǒng)
儲(chǔ)能包
電子運(yùn)輸能量包
優(yōu)點(diǎn)和特點(diǎn)：MAX14921ECS+T
S高精度
±0.5mV（最大）電池電壓
Cell同步電池電壓采樣
自我校準(zhǔn)
S集成診斷
開(kāi)路和短路故障檢測(cè)
欠壓/過(guò)壓警告
熱關(guān)斷
高靈活性
SPI接口
Cell 12單元和16單元版本
Minimum + 6V最低（3節(jié)電池）操作
+ 0.5V至+ 4.5V電池電壓范圍
集成單元平衡FET驅(qū)動(dòng)器
集成5V LDO
低功耗
μ 1μA關(guān)斷模式
Cell 1μA / 10μA的電池電流消耗
產(chǎn)品屬性：MAX14921ECS+T
類(lèi)型描述選擇
類(lèi)別 集成電路（IC）PMIC - 電池管理
制造商 Maxim Integrated
系列 -
包裝 卷帶（TR）剪切帶（CT）Digi-Reel® 得捷定制卷帶
零件狀態(tài) 在售
功能 電池監(jiān)控器
電池化學(xué)成份 多化學(xué)
電池?cái)?shù) 1 ~ 16
故障保護(hù) 超溫，過(guò)/欠壓
接口 SPI
工作溫度 -40°C ~ 85°C（TA）
安裝類(lèi)型 表面貼裝型
封裝/外殼 80-TQFP
供應(yīng)商器件封裝 80-TQFP（12x12）
基本產(chǎn)品編號(hào)MAX14921ECS+T
以下物料均有現(xiàn)貨庫(kù)存：MAX14921ECS+T
STM32F101RBT6
STM32F103CBT6
STM32F103C8T6
STM32F103R8T6
STM32F103VBT6
STM32F103RBT6
STM32F103VCT6
STM32F103ZET6
STM32F103VET6
STM32F103RET6
STM32F103RCT6
STM32F103RGT6
STM32F103RCY6TR
STM32F103T8U6
STM32F103VGT6
STM32F103ZGT6
STM32F105RBT6
STM32F105RCT6
STM32F105R8T6
STM32F105VCT6
STM32F107VCT6
STM32F107RCT6
STM32F100R8T6B
STM32F100C6T6B
STM32F100VCT6B
STM32F100RBT6B
STM32F100C8T6B
STM32F100C4T6B
STM32F215RGT6
STM32F205RGT6
STM32F205RET6
STM32F205RCT6
STM32F205VGT6
STM32F205VET6
STM32F205VCT6
STM32F205ZET6
STM32F205ZGT6
STM32F207VCT6
STM32F207VGT6
STM32F207VET6
MAX14921ECS+T
STM32F207ZET6
STM32F207ZGT6
STM32F373CCT6
STM32F301K8T6
STM32F302C8T6
STM32F302CBT6
STM32F302RCT6
STM32F302RBT6
STM32F302K8U6
STM32F302VET6
STM32F302VDT6
STM32F302VCT6
STM32F303CBT6
STM32F303CCT6
STM32F303RBT6
STM32F303RCT6
STM32F303RET6
STM32F303VCT6
STM32F303VET6
STM32F303ZET6
STM32F411CEU6
STM32F411CCU6TR
STM32F411RCT6
STM32F411RET6
STM32F411VET6
STM32F412RET6
STM32F413VGT6
STM32F415RGT6
STM32F415VGT6
STM32F410CBU6
STM32F410RBT6
STM32F427IGT6
STM32F427VIT6
STM32F427VGT6
STM32F427ZGT6
STM32F427ZIT6
STM32F429BIT6
STM32F429IIT6
STM32F429IGT6
STM32F429VGT6
STM32F429VIT6
STM32F429VET6
STM32F429ZGT6
STM32F429ZIT6
STM32F429ZET6
STM32F446RET6
STM32F446RCT6
STM32F446VET6
STM32F446VCT6
STM32F446ZET6
STM32F446ZEJ6
STM32F469NIH6
STM32F401CEU6
STM32F401CBU6
STM32F401RCT6
STM32F401RBT6
STM32F401RET6
STM32F405RGT6
STM32F405VGT6
STM32F405ZGT6
STM32F407IGT6
STM32F407IGH6
STM32F407IET6
STM32F407VGT6
STM32F407VET6
STM32F407ZET6
STM32F407ZGT6
STM32F407ZGT7
STM32F400CBT6
STM32F722RET6
STM32F730R8T6
STM32F730V8T6
STM32F746VGT6
STM32F756VGT6
STM32F765VIT6
STM32F767ZGT6
STM32F767IGT6
STM32F767NIH6
STM32F767BIT6
STM32F767VIT6
STM32F031K6U6
STM32F031F6P6
STM32F031C6T6TR
STM32F030K6T6
STM32F030F4P6
STM32F030C8T6
STM32F030CCT6
STM32F030C6T6
STM32F030RCT6
STM32F030R8T6
STM32F042K6T6
STM32F042F6P6
STM32F042C6T6
STM32F051K8U6
STM32F051K6U6
STM32F051C8T6
STM32F051C8T7TR
STM32F051R8T6
STM32F051R8T7
STM32F071VBT6
STM32F071CBT6
STM32F071CBU6
STM32F071RBT6
STM32F072VBT6
STM32F072CBT6
STM32F072C8T6
STM32F072CBU6TR
STM32F072RBT6
STM32F072R8T6
STM32F070CBT6
STM32F070F6P6
STM32F070RBT6
STM32G474VET6
STM32G431CBT6
STM32G071CBT6
STM32G071GBU6
STM32G071RBT6
STM32G070KBT6
STM32G070CBT6
STM32G070RBT6
STM32G031F8P6
STM32G031K6T6
STM32G031J6M6
STM32G031G8U6
STM32G030K6T6
STM32G030K8T6
STM32G030C8T6
STM32G030F6P6TR
STM32H743BIT6
STM32H743IIT6
STM32H743VIT6
STM32H743VIH6
STM32H743ZIT6
STM32H743XIH6
STM32H750IBK6
STM32H750VBT6
STM32H750XBH6
STM32L151C8T6A
STM32L151CBT6A
STM32L151CBU6
STM32L151CCU6
STM32L151RCT6
STM32L151RET6
STM32L151RDT6
STM32L151VDT6
STM32L431CCT6
STM32L431CBT6
STM32L431CCU6
STM32L431RCT6
STM32L431VCT6
STM32L433VCT6
STM32L433RCT3
STM32L433RCT6
STM32L452REY6TR
STM32L471RGT6
STM32L471RET6
STM32L475VET6
STM32L476RGT6
STM32L476VET6
STM32L476RCT6
STM32L476VGT6
STM32L496RGT6
STM32L011D4P6
STM32L010C6T6
STM32L011F4U6TR
STM32L011G4U6
STM32L031F6P6
STM32L031K6T6
STM32L031G6U6
STM32L051K8U6
STM32L051C8T6
STM32L051R8T6
STM32L052R8T6
STM32L053R8T6
STM32L071RBT6
STM32L071CBT6
STM32L072RBT6
STM32L072CBT6
STM32L073RZT6
STM32L073V8T6
STM8L151C6T6
STM8L151C8T6
STM8L151K4T6
STM8L151K6T6
STM8L151G6U6
STM8L151G4U6
STM8L152C6T6
STM8L152R8T6
STM8L152M8T6
STM8L101F3P6TR
STM8L101K3T6
STM8L101F3U6TR
STM8L001J3M3TR
STM8L051F3P6
STM8L052C6T6
STM8L052R8T6
STM8L050J3M3TR
