參數(shù)資料
型號(hào)： DS2760AX
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 電源管理
英文描述： 1-CHANNEL POWER SUPPLY SUPPORT CKT, PBGA14
封裝： FLIPCHIP-14
文件頁(yè)數(shù)： 23/25頁(yè)
文件大?。?/td> 289K
代理商： DS2760AX
DS2760
7
charge FET back on (unless another protection condition prevents it). Discharging remains enabled
during overvoltage.
Undervoltage. If the voltage of the cell drops below undervoltage threshold VUV for a period longer than
undervoltage delay tUVD, the DS2760 shuts off the charge and discharge FETs, sets the UV flag in the
Protection Register, and enters Sleep Mode. The DS2760 provides a current-limited (IRC) recovery
charge path from PLS to VDD to gently charge severely depleted cells. The recovery path is enabled
when 0
VDD < 3V(typ). Once VDD reaches 3V(typ), the DS2760 will return to normal operation,
awaiting connection of a charger to turn on the charge FET and pull out of Sleep Mode.
Overcurrent, Charge Direction. The voltage difference between the IS1 pin and the IS2 pin (VIS = VIS1
– VIS2) is the filtered voltage drop across the current sense resistor. If VIS exceeds overcurrent threshold
VOC for a period longer than overcurrent delay tOCD, the DS2760 shuts off both external FETs and sets the
COC flag in the Protection Register. The charge current path is not re-established until the voltage on the
PLS pin drops below VDD – VTP. The DS2760 provides a test current of value ITST from PLS to VSS to
pull PLS down in order to detect the removal of the offending charge current source.
Overcurrent, Discharge Direction. If VIS is less than –VOC for a period longer than tOCD, the DS2760
shuts off the external discharge FET and sets the DOC flag in the Protection Register. The discharge
current path is not re-established until the voltage on PLS rises above VDD – VTP. The DS2760 provides a
test current of value ITST from VDD to PLS to pull PLS up in order to detect the removal of the offending
low-impedance load.
Short Circuit. If the voltage on the SNS pin with respect to VSS exceeds short circuit threshold VSC for
a period longer than short circuit delay tSCD, the DS2760 shuts off the external discharge FET and sets the
DOC flag in the Protection Register. The discharge current path is not re-established until the voltage on
PLS rises above VDD – VTP. The DS2760 provides a test current of value ITST from VDD to PLS to pull
PLS up in order to detect the removal of the short circuit.
LITHIUM-ION PROTECTION CIRCUITRY EXAMPLE WAVEFORMS Figure 3
(1) To allow the device to react quickly to short circuits, detection is actually done on the SNS pin rather
than on the filtered IS1 and IS2 pins. The actual short circuit detect condition is VSNS > VSC.
Sleep
Mode
VOV
VCE
VUV
VCELL
VIS
charge
discharge
CC
DC
-VSC
VOC
-VOC
0
tSCD
tOCD
tUVD
tOVD
VPLS
VDD
active
VSS
inactive
tOVD
(1)
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS2760AX/T&R 制造商:Maxim Integrated Products 功能描述:IC BATT MON LI-ION HP FLIPCHIP
DS2760AX/T&R 功能描述:IC BATT MON LI-ION HP FLIPCHIP RoHS:否 類別:集成電路 (IC) >> PMIC - 電池管理 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 功能:充電管理 電池化學(xué):鋰離子（Li-Ion）、鋰聚合物（Li-Pol） 電源電壓:3.75 V ~ 6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:SC-74A，SOT-753 供應(yīng)商設(shè)備封裝:SOT-23-5 包裝:剪切帶 (CT) 產(chǎn)品目錄頁(yè)面:669 (CN2011-ZH PDF) 其它名稱:MCP73831T-2ACI/OTCT
DS2760AX-025 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:High-Precision Li Battery Monitor
DS2760BE 功能描述:IC BATT MON LI-ION HP 16-TSSOP RoHS:否 類別:集成電路 (IC) >> PMIC - 電池管理 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 功能:充電管理 電池化學(xué):鋰離子（Li-Ion）、鋰聚合物（Li-Pol） 電源電壓:3.75 V ~ 6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:SC-74A，SOT-753 供應(yīng)商設(shè)備封裝:SOT-23-5 包裝:剪切帶 (CT) 產(chǎn)品目錄頁(yè)面:669 (CN2011-ZH PDF) 其它名稱:MCP73831T-2ACI/OTCT
DS2760BE/T&R 制造商:Maxim Integrated Products 功能描述:IC BATT MON LI-ION HP 16-TSSOP
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