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參數(shù)資料
| 型號： | LTC1760 |
| 廠商： | Linear Technology Corporation |
| 英文描述： | Dual Smart Battery System Manager |
| 中文描述： | 雙智能電池系統(tǒng)管理 |
| 文件頁數(shù)： | 26/44頁 |
| 文件大小： | 379K |
| 代理商： | LTC1760 |
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LTC1760
26
sn1760 1760is
This bit will remain set if a subsequent AlarmWarning()
fails to respond. The cached alarm will be cleared by any
of the following conditions.
a) Associated battery is removed.
b) A subsequent AlarmWarning() clears all charge
alarm bits for the associated battery.
c) A power on reset event.
d) The SMBus Host asserts
BatterySystemStateCont(CHARGER_POR) high.
7. An SMBus Host write asserts the LTC1760
BatterySystemStateCont(CHARGING_INHIBIT) high.
8. Hardware controlled charging inhibit is asserted (MODE
low with V
DDS
high).
9. The SMBus of the battery being charged has stopped
acknowledging SMBus read commands for longer than
t
TIMEOUT.
10. The thermistor of the battery being charged indicates
HOT-RANGE.
11. Any SMBus communication line is grounded for
longer than t
QUERY
.
12. BatterySystemStateCont(POWER_NOT_GOOD) is
high.
13. The emergency off feature has been asserted using the
DCDIV input pin.
Whenever changing conditions cause either battery to
stop charging, charging is stopped immediately for all
batteries and the voltage and current algorithms are reset
to zero. Charging is not resumed until all the conditions for
controlled charging are met.
3.6 Controlled Charging Current and Voltage
Programming
The LTC1760 monitors the requested and actual current in
each battery and increases the programmed current un-
less one of the following conditions is met:
a) The actual current exceeds the requested current in
either battery.
b) The total programmed current equals the maximum
of the two requested currents + I
LIMIT
/32 and
LTC(TURBO) is de-asserted (or low).
c) Only one battery is charging and the programmed
current equals the requested current + I
LIMIT
/32.
d) The total programmed current equals I
LIMIT
.
The programmed current is updated every t
QUERY
. It is
changed by the difference between the actual and re-
quested currents.
LTC(TURBO) provides a mechanism for the SMBus Host
to put additional current into both batteries. Normally the
LTC1760 will limit the current into both batteries to the
maximum of the two requested currents + I
LIMIT
/32. When
LTC(TURBO) is asserted, this restriction is removed,
allowing the charger to output as much as I
LIMIT
into both
batteries. Whenever changing conditions cause either
battery to stop charging, the current algorithm is reset to
zero.
The LTC1760 monitors the requested and actual voltages
in each battery and increases the programmed voltage by
16mV each t
QUERY
unless one of the following conditions
are met:
a) The actual voltage exceeds the requested voltage in
either battery.
b) The actual voltage exceeds V
LIMIT
.
This is an extremely important feature of the LTC1760
since it allows the charger to servo on the internal cell
voltage of the battery as determined by the Smart Battery.
This voltage may be significantly lower than the battery
pack terminal voltage which is used by all Level 2 chargers.
The advantage for the LTC1760 is improved charge time,
safety, and a more completely charged battery.
The voltage correction cannot exceed the minimum re-
quested voltage by more than 512mV. When decrementing,
the programmed voltage is reduced by 16mV each t
QUERY
.
Whenever changing conditions cause either battery to
stop charging, the voltage algorithm is reset to zero.
OPERATIOU
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LTC1760CFW | 功能描述:IC MANAGER BATTERY DUAL 48TSSOP RoHS:否 類別:集成電路 (IC) >> PMIC - 電池管理 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:2,500 系列:- 功能:電池監(jiān)控器 電池化學(xué):堿性，鋰離子，鎳鎘，鎳金屬氫化物 電源電壓:1 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:SOT-23-6 供應(yīng)商設(shè)備封裝:SOT-6 包裝:帶卷 (TR) |
| LTC1760CFW#PBF | 功能描述:IC MANAGER BATTERY DUAL 48TSSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 電池管理 系列:- 其它有關(guān)文件:STC3100 View All Specifications 特色產(chǎn)品:STC3100 - Battery Monitor IC 標準包裝:4,000 系列:- 功能:燃料，電量檢測計/監(jiān)控器 電池化學(xué):鋰離子（Li-Ion） 電源電壓:2.7 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-TSSOP，8-MSOP（0.118"，3.00mm 寬） 供應(yīng)商設(shè)備封裝:8-MiniSO 包裝:帶卷 (TR) 其它名稱:497-10526-2 |
| LTC1760CFW#PBF | 制造商:Linear Technology 功能描述:Battery Management IC 制造商:Linear Technology 功能描述:IC, BATTERY CHARGER, 4.28A, TSSOP-48 |
| LTC1760CFW#TR | 功能描述:IC MANAGER BATTERY SYS 48-TSSOP RoHS:否 類別:集成電路 (IC) >> PMIC - 電池管理 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:2,500 系列:- 功能:電池監(jiān)控器 電池化學(xué):堿性，鋰離子，鎳鎘，鎳金屬氫化物 電源電壓:1 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:SOT-23-6 供應(yīng)商設(shè)備封裝:SOT-6 包裝:帶卷 (TR) |
| LTC1760CFW#TRPBF | 功能描述:IC MANAGER BATTERY DUAL 48TSSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 電池管理 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:2,500 系列:- 功能:電池監(jiān)控器 電池化學(xué):堿性，鋰離子，鎳鎘，鎳金屬氫化物 電源電壓:1 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:SOT-23-6 供應(yīng)商設(shè)備封裝:SOT-6 包裝:帶卷 (TR) |
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