BQ297xx Cost-Effective Voltage and Current Protection Integrated Circuit for Single- Cell Li-Ion and Li-Polymer Batteries

1 Features ? Input voltage range pack+: VSS – 0.3V to 12V ? FET drive: – CHG and DSG FET drive output ? Voltage sensing across external FETs for overcurrent protection (OCP) is within ±5mV (typical) ? Fault detection – Overcharge detection (OVP) – Over-discharge detection (UVP) – Charge

文件：1.43493 Mbytes 頁數(shù)：35 Pages

TI

德州儀器

BQ297xx Cost-Effective Voltage and Current Protection Integrated Circuit for Single- Cell Li-Ion and Li-Polymer Batteries

1 Features ? Input voltage range pack+: VSS – 0.3V to 12V ? FET drive: – CHG and DSG FET drive output ? Voltage sensing across external FETs for overcurrent protection (OCP) is within ±5mV (typical) ? Fault detection – Overcharge detection (OVP) – Over-discharge detection (UVP) – Charge

文件：1.44954 Mbytes 頁數(shù)：34 Pages

TI

德州儀器

Cost-Effective Voltage and Current Protection Integrated Circuit

文件：1.85787 Mbytes 頁數(shù)：31 Pages

TI

德州儀器

BQ297xx Cost-Effective Voltage and Current Protection Integrated Circuit for Single-Cell Li-Ion and Li-Polymer Batteries

文件：1.96462 Mbytes 頁數(shù)：32 Pages

TI

德州儀器

BQ297xx Cost-Effective Voltage and Current Protection Integrated Circuit for Single-Cell Li-Ion and Li-Polymer Batteries

文件：1.92447 Mbytes 頁數(shù)：34 Pages

TI

德州儀器

Cost-Effective Voltage and Current Protection Integrated Circuit for Single-Cell Li-Ion and Li-Polymer Batteries

文件：1.88288 Mbytes 頁數(shù)：33 Pages

TI

德州儀器

Cost-Effective Voltage and Current Protection Integrated Circuit for Single-Cell Li-Ion and Li-Polymer Batteries

文件：1.88288 Mbytes 頁數(shù)：33 Pages

TI

德州儀器

鋰離子/鋰聚合物高級(jí)單節(jié)電池保護(hù)器 IC 系列

BQ2970 電池保護(hù)器件在高放電/充電電流運(yùn)行或電池過度充電情況下提供一個(gè)針對(duì)過流保護(hù)的精確監(jiān)控和觸發(fā)閾值。\n\nBQ2970 器件提供針對(duì)鋰離子/鋰聚合物電池的保護(hù)功能，并且監(jiān)控外部功率 FET，以便在高充電或放電電流時(shí)提供保護(hù)。此外，還有過度充電和電量耗盡電池的監(jiān)控和保護(hù)。這些特性在正常模式運(yùn)行中以極低的流耗實(shí)現(xiàn)。 ? 輸入電壓范圍：VSS – 0.3V 至 12V\n? CHG 和 DSG FET 驅(qū)動(dòng)輸出\n? 外部 FET 上針對(duì)過流保護(hù) (OCP) 的電壓感應(yīng)在 ±5mV（典型值）以內(nèi)\n? 過度充電檢測(cè) (OVP)\n? 充電過流檢測(cè) (OCC)\n? 負(fù)載短路檢測(cè) (SCP)\n? 針對(duì)電量耗盡電池的零電壓充電\n? 故障檢測(cè)電壓閾值\n? 故障恢復(fù)計(jì)時(shí)器\n? 在電池充電器未啟用時(shí)的運(yùn)行模式 \n? 關(guān)斷 Iq = 100nA\n? 工作溫度范圍 TA = –40°C 至 +85°C\n? 6 引腳 DSE (1.50mm × 1.50mm × 0.75mm);

TI

德州儀器

BQ297xx Cost-Effective Voltage and Current Protection Integrated Circuit for Single- Cell Li-Ion and Li-Polymer Batteries

1 Features ? Input voltage range pack+: VSS – 0.3V to 12V ? FET drive: – CHG and DSG FET drive output ? Voltage sensing across external FETs for overcurrent protection (OCP) is within ±5mV (typical) ? Fault detection – Overcharge detection (OVP) – Over-discharge detection (UVP) – Charge

文件：1.43493 Mbytes 頁數(shù)：35 Pages

TI

德州儀器

BQ297xx Cost-Effective Voltage and Current Protection Integrated Circuit for Single- Cell Li-Ion and Li-Polymer Batteries

1 Features ? Input voltage range pack+: VSS – 0.3V to 12V ? FET drive: – CHG and DSG FET drive output ? Voltage sensing across external FETs for overcurrent protection (OCP) is within ±5mV (typical) ? Fault detection – Overcharge detection (OVP) – Over-discharge detection (UVP) – Charge

文件：1.44954 Mbytes 頁數(shù)：34 Pages

TI

德州儀器