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參數(shù)資料
| 型號： | BQ2000TSN-B5 |
| 英文描述： | Silicon Bridge Rectifiers |
| 中文描述： | 集成電路表面貼裝，PROG.BATT充電器 |
| 文件頁數(shù)： | 2/16頁 |
| 文件大?。?/td> | 118K |
| 代理商： | BQ2000TSN-B5 |
2
Pin Descriptions
SNS
Current-sense input
Enables the bq2000T to sense the battery
current via the voltage developed on this pin
by an external sense-resistor connected in
series with the battery pack
V
SS
System Ground
LED
Charge-status output
Open-drain output that indicates the charg-
ing status by turning on, turning off, or
flashing an external LED
BAT
Battery-voltage input
Battery-voltage sense input. A simple resistive
divider, across the battery terminals, generates
thisinput.
TS
Temperature-sense input
Input for an external battery-temperature
monitoring circuit. An external resistive di-
vider network with a negative tempera-
ture-coefficient thermistor sets the lower
and upper temperature thresholds.
RC
Timer-program input
RC input used to program the maximum
charge-time, hold-off period, and trickle
rate during the charge cycle, and to disable
or enable top-off charge
V
CC
Supply-voltage input
MOD
Modulation-control output
Push-pull output that controls the charging
current to the battery. MOD switches high
to enable charging current to flow and low to
inhibit charging- current flow.
Functional Description
The bq2000T is a versatile, multi-chemistry battery-
charge control device. See Figure 1 for a functional block
diagram and Figure 2 for the state diagram.
bq2000T
BD2000T.eps
Voltage
Reference
Internal
OSC
Clock
Phase
Generator
ADC
OSC
SNS
TS
MOD
RC
BAT
LED
V
CC
V
SS
Timer
T/
t
ALU
Voltage
Comparator
Voltage
Comparator
Charge
Control
Figure 1. Functional Block Diagram
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| BQ2000TSN-B5 | 制造商:Texas Instruments 功能描述:IC PROG BATT CHARGER SMD SOIC8 |
| BQ2000TSN-B5G4 | 功能描述:電池管理 Switchmode Charge Management IC 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 |
| BQ2000TSN-B5TR | 功能描述:電池管理 Switchmode Charge Management IC 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 |
| BQ2000TSN-B5TRG4 | 功能描述:電池管理 Switchmode Charge Management IC 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 |
| BQ2000TTS | 制造商:TI 制造商全稱:Texas Instruments 功能描述:Programmable Multi-Chemistry Fast-Charge Management IC |
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