參數(shù)資料
型號(hào)： X3100V28Z
廠商： INTERSIL CORP
元件分類(lèi)： 電源管理
英文描述： 4-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO28
封裝： ROHS COMPLIANT, PLASTIC, MO-153AE, TSSOP-28
文件頁(yè)數(shù)： 23/41頁(yè)
文件大?。?/td> 561K
代理商： X3100V28Z
3
FN8110.1
January 3, 2008
4CB2
Cell balancing FET control output 2. These outputs are used to switch an external FETs in order to perform cell voltage
balancing control. This function can be used to adjust individual cell voltages (e.g. during cell charging). CB2 can be driven
high (Vcc) or low (Vss) to switch the external FET ON/OFF.
5
VCELL3
Battery cell 3 voltage. This pin is used to monitor the voltage of each battery cell internally. The
voltage of an individual cell can also be monitored externally at pin AO.
The X3100 monitors 4 battery cells. The X3101 monitors 3 battery cells.
6CB3
Cell balancing FET control output 3. This output is used to switch an external FET in order to
perform cell voltage balancing control. This function can be used to adjust an individual cell voltage (e.g. during cell charging).
CB3 can be driven high (Vcc) or low (Vss) to switch the external FET ON/OFF.
7
VCELL4/
VSS
Battery cell 4 voltage (X3100) Ground (X3101). This pin is used to monitor the voltage of this battery cell internally. The
voltage of an individual cell can also be monitored externally at pin AO.
The X3100 monitors 4 battery cells. The X3101 monitors 3 battery cells. For the X3101 device connect the VCELL4/VSS pin
to ground.
8CB4
Cell balancing FET control output 4. This output is used to switch an external FET in order to
perform cell voltage balancing control. This function can be used to adjust individual cell voltages
(e.g. during cell charging). CB4 can be driven high (Vcc) or low (Vss) to switch the external FET ON/OFF.
When using the X3101, the CB4 pin can be left unconnected, or the FET control can be used for other purposes.
9
VSS
Ground.
10
VCS1
Current sense voltage pin 1. A sense resistor (RSENSE) is connected between VCS1 and VCS2 (Figure 1). RSENSE has a
resistance in the order of 20m
Ω to 100mΩ, and is used to monitor current flowing through the battery terminals, and protect
against over-current conditions. The voltage at each end of RSENSE can also be monitored at pin AO.
11
VCS2
Current sense voltage pin 2. A sense resistor (RSENSE) is connected between VCS1 and VCS2 (Figure 1). RSENSE has a
resistance in the order of 20m
Ω to 100mΩ, and is used to monitor current flowing through the battery terminals, and protect
against over-current conditions. The voltage at each end of RSENSE can also be monitored at pin AO.
12
OVT
Over-charge detect/release time input. This pin is used to control the delay time (TOV) associated with the detection of an
13
UVT
Over-discharge detect/release time input. This pin is used to control the delay times associated with the detection (TUV)
and release (TUVR) of an over-discharge (under-voltage) condition (see section “Over-discharge Protection” on page 16).
14
OCT
Over-current detect/release time input. This pin is used to control the delay times associated with the detection (TOC) and
release (TOCR) of an over-current condition (see section “Over-Current Protection” on page 19).
15
AO
Analog multiplexer output. The analog output pin is used to externally monitor various battery parameter voltages. The
voltages which can be monitored at AO (see section “Analog Multiplexer Selection” on page 21) are:
– Individual cell voltages
– Voltage across the current sense resistor (RSENSE). This voltage is amplified with a gain set by the user in the control register
The analog select pins pins AS0 - AS2 select the desired voltage to be monitored on the AO pin.
16
AS0
Analog output select pin 0. These pins select which voltage is to be multiplexed to the output AO (see section “Sleep Control
17
AS1
Analog output select pin 1. These pins select which voltage is to be multiplexed to the output AO (see section “Sleep Control
18
AS2
Analog output select pin 2. These pins select which voltage is to be multiplexed to the output AO (see section “Sleep Control
19
SI
Serial data input. SI is the serial data input pin. All opcodes, byte addresses, and data to be written to the device are input
on this pin.
20
SO
Serial data output. SO is a push/pull serial data output pin. During a read cycle, data is shifted out on this pin. Data is clocked
out by the falling edge of the serial clock. While CS is HIGH, SO will be in a High Impedance state.
Note: SI and SO may be tied together to form one line (SI/SO). In this case, all serial data communication with the X3100 or
X3101 is undertaken over one I/O line. This is permitted ONLY if no simultaneous read/write operations occur.
21
SCK
Serial data clock input. The Serial Clock controls the serial bus timing for data input and output. Opcodes, addresses, or
data present on the SI pin are latched on the rising edge of the clock input, while data on the SO pin change after the falling
edge of the clock input.
22
CS
Chip select input pin. When CS is HIGH, the device is deselected and the SO output pin is at high impedance. CS LOW
enables the SPI serial bus.
Pin Descriptions (Continued)
PIN
NUMBER PIN NAME
BRIEF DESCRIPTION
X3100, X3101
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
X3101 制造商:XICOR 制造商全稱(chēng):Xicor Inc. 功能描述:3 or 4 Cell Li-Ion Battery Protection and Monitor IC
X3101PT-V 制造商:XICOR 制造商全稱(chēng):Xicor Inc. 功能描述:3 or 4 Cell Li-Ion Battery Protection and Monitor IC
X3101V28 功能描述:IC PROTECT/MONITOR 3CELL 28TSSOP RoHS:否 類(lèi)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(lèi)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(chēng):MCP73831T-2ACI/OTCT
X3101V28C7988 制造商:Rochester Electronics LLC 功能描述:- Bulk
X3101V28T1 功能描述:IC PROTECT/MONITOR 3CELL 28TSSOP RoHS:否 類(lèi)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(lèi)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(chēng):MCP73831T-2ACI/OTCT
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