- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄225135 > S-8241ABZPN-KBZ-TFG 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO5 PDF資料下載
參數(shù)資料
| 型號： | S-8241ABZPN-KBZ-TFG |
| 元件分類： | 電源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO5 |
| 封裝： | SON-5 |
| 文件頁數(shù)： | 7/32頁 |
| 文件大小： | 1009K |
| 代理商： | S-8241ABZPN-KBZ-TFG |
第1頁第2頁第3頁第4頁第5頁第6頁當(dāng)前第7頁第8頁第9頁第10頁第11頁第12頁第13頁第14頁第15頁第16頁第17頁第18頁第19頁第20頁第21頁第22頁第23頁第24頁第25頁第26頁第27頁第28頁第29頁第30頁第31頁第32頁
BATTERY PROTECTION IC FOR 1-CELL PACK
Rev.4.1_01
S-8241 Series
Seiko Instruments Inc.
15
Overdischarge Condition (for products with power-down function)
When the battery voltage drops below the overdischarge detection voltage (VDL) during discharging under
normal condition and it continues for the overdischarge detection delay time (tDL) or longer, the S-8241
turns the discharging control FET off and stops discharging. This condition is called overdischarge
condition. After the discharging control FET is turned off, the VM pin is pulled up by the RVMD resistor
between VM and VDD in the IC. Meanwhile the potential difference between VM and VDD drops below 1.3
V (typ.) (the load short-circuiting detection voltage), current consumption of the IC is reduced to the
power-down current consumption (IPDN). This condition is called power-down condition. The VM and VDD
pins are shorted by the RVMD resistor in the IC under the overdischarge and power-down conditions.
The power-down condition is released when a charger is connected and the potential difference between
VM and VDD becomes 1.3 V (typ.) or higher (load short-circuiting detection voltage). At this time, the FET
is still off. When the battery voltage becomes the overdischarge detection voltage (VDL) or higher (see
note), the S-8241 turns the FET on and changes to the normal condition from the overdischarge condition.
Remark If the VM pin voltage is no less than the charger detection voltage (VCHA), when the battery under
overdischarge condition is connected to a charger, the overdischarge condition is released (the discharging
control FET is turned on) as usual, provided that the battery voltage reaches the overdischarge release
voltage (VDU) or higher.
Overdischarge Condition (for products without power-down function)
When the battery voltage drops below the overdischarge detection voltage (VDL) during discharging under
normal condition and it continues for the overdischarge detection delay time (tDL) or longer, the S-8241
turns the discharging control FET off and stops discharging. When the discharging control FET is turned
off, the VM pin is pulled up by the RVMD resistor between VM and VDD in the IC. Meanwhile the potential
difference between VM and VDD drops below 1.3 V (typ.) (the load short-circuiting detection voltage),
current consumption of the IC is reduced to the overdischarge current consumption (IOPED). This condition
is called overdischarge condition. The VM and VDD pins are shorted by the RVMD resistor in the IC under
the overdischarge condition.
When a charger is connected, the overdischarge condition is released in the same way as explained above
in respect to products having the power-down function. For products without the power-down function, in
addition, even if the charger is not connected, the S-8241 turns the discharging control FET on and
changes to the normal condition from the overdischarge condition provided that the load is disconnected
and that the potential difference between VM and VSS drops below the overcurrent 1 detection voltage
(VIOV1), since the VM pin is pulled down by the RVMS resistor between VM and VSS in the IC when the
battery voltage reaches the overdischarge release voltage (VDU) or higher.
Charger Detection
If the VM pin voltage is lower than the charger detection voltage (VCHA) when a battery in overdischarge
condition is connected to a charger, overdischarge hysteresis is released, and when the battery voltage
becomes equal to or higher than the overdischarge detection voltage (VDL), the overdischarge condition is
released (the discharging control FET is turned on). This action is called charger detection. (The charger
detection reduces the time for charging in which charging current flows through the internal parasitic diode
in the discharging control FET.)
If the VM pin voltage is not lower than the charger detection voltage (VCHA) when a battery in overdischarge
condition is connected to a charger, the overdischarge condition is released (the discharging control FET is
turned on) as usual, when the battery voltage reaches the overdischarge release voltage (VDU) or higher.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| S-8241ACJPN-KCJ-TFG | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO5 |
| S-8261ACAMD-G4AT2G | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO6 |
| S-8333ABBB-T8T1G | 0.16 A SWITCHING CONTROLLER, 1133 kHz SWITCHING FREQ-MAX, PDSO8 |
| S-8333ACIC-T8T1G | 0.16 A SWITCHING CONTROLLER, 1133 kHz SWITCHING FREQ-MAX, PDSO8 |
| S-8340B00AFT-T2-U | SWITCHING CONTROLLER, 690 kHz SWITCHING FREQ-MAX, PDSO8 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| S-8241ACAMC-GCAT2G | 功能描述:電池管理 Lithium-Ion battery protection (1 cell) RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel |
| S-8241ACAPN-KCATFG | 制造商:Seiko Instruments Inc (SII) 功能描述:BATTERY PROT LI-ION/LI-POL 4.28V 5PIN SON(A) - Tape and Reel |
| S-8241ACBMC-GCBT2G | 功能描述:電池管理 Lithium-Ion battery protection (1 cell) RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel |
| S-8241ACDMC-GCDT2G | 功能描述:電池管理 Lithium-Ion battery protection (1 cell) RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel |
| S-8241ACEMC-GCET2G | 功能描述:電池管理 Lithium-Ion battery protection (1 cell) RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel |
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。