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参数资料
| 型号： | LTC4110EUHF#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 17/52页 |
| 文件大小： | 0K |
| 描述： | IC BATTERY BACKUP MANAGER 38-QFN |
| 标准包装： | 52 |
| 功能： | 备份管理 |
| 电池化学： | 铅酸，锂离子，锂聚合物，镍镉，镍氢，超级电容器 |
| 电源电压： | 4.5 V ~ 19 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 38-WFQFN 裸露焊盘 |
| 供应商设备封装： | 38-QFN（5x7） |
| 包装： | 管件 |
| 产品目录页面： | 1341 (CN2011-ZH PDF) |
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LTC4110
OPERATION
11
PWM
STOPPED
(BATTERY OVP)
12
WAKE UP
CHARGE
2
1
RESET
10
ANY
CHARGE
STATE
4, 7, 13, 14
ANY
CHARGE
STATE
RESUME
CURRENT
STATE
PRE-CONDITIONING
CHARGE
3
BULK
CHARGE
4
OFF
(BATTERY
FULL)
8
9
5 (BAD BATTERY)
OFF
(OVERTEMPERATURE)
6 (BATTERY RECHARGE REQUEST)
4110 F04
Figure 4. Smart Battery Charge State Diagram (Does Not Include Calibration)
#
1
2
3
4
5
6
Logic Event (T = True, F = False) [Notes]
RES_OR = F & DCDIV pin = T & SHDN pin = F &
CHARGE_INHIBITED = F & CHG_FLT = F & RES_HOT = F
Or
RES_OR = F & DCDIV pin = T & SHDN pin = F &
CHARGE_INHIBITED = F & CHG_FLT = F & RES_HOT = T &
RES_UR = T
ChargingVoltage() & ChargingCurrent() ≠ 0 sent
V BAT > V BC
ChargingVoltage() or ChargingCurrent() = 0 sent
Timer/4(Pre-Charge) = Done before V BAT > V BC
ChargingVoltage() & ChargingCurrent() ≠ 0 sent & RES_OR = F
& DCDIV pin = T & SHDN pin = F & CHARGE_INHIBITED = F &
CHG_FLT = F
Notes and/or Actions (T = True, F = False)
I PPC = On (Constant Current only) & TTIMEOUT = Started & CHG = T
Timer/4(Pre-Charge) = Started & TTIMEOUT disabled & ALARM_
INHIBITED = F
I PPC = Off, I CHG = On, Timer/4(Pre-Charge) = Stopped & Timer(SMBus)
= Started
I CHG = Off & All Timers = Reset & CHG = F
I PPC = Off & All Timers = Reset & CHG = F
I PPC = On & Timer/4(Pre-Charge) = Started & CHG = T &
ALARM_INHIBITED = F
7
8
9
10
11
12
13
14
Or
Or
Or
Or
Or
Or
Or
Or
TTIMEOUT = Done (Dead Battery or Loss of SMBus)
RES_HOT = T & RES_UR = F [See ChargeStatus()]
RES_HOT = F [See ChargeStatus()]
DCDIV pin = F
RES_OR = T [Bat Removed, See ChargeStatus()]
SHDN pin = T
V UVD = T
POR_RESET = T [See ChargeMode()]
V BOV = T [Battery Overvoltage]
V BOV = F
RESET_TO_ZERO = T [See ChargeMode()]
CHARGE_INHIBIT = T [See ChargeMode()]
AlarmWarning() command is sent by Smart Battery over SMBus
with any of the following bits set to True:
OVER_CHARGED_ALARM
TERMINATE_CHARGE_ALARM
Reserved ALARM
OVER_TEMPERATURE_ALARM
I CHG = Off & All Timers Reset & CHG = F
I CHG or I PPC = Off & CHG_FLT = T, Timer = Paused.
I CHG or I PPC = On & CHG_FLT = F, Timer = Resume.
I CHG or I PPC = Off & All Timers = Reset & CHG_FLT = F & CHG = F &
ALARM_INHIBITED = F & CHARGE_INHIBITED = F
PWM stopped. Timers remain running.
PWM restarted.
I CHG or I PPC = Off & All Timers = Reset & CHG_FLT = F & CHG = F
I CHG or I PPC = Off. & All Timers = Reset & CHG = F &
ALARM_INHIBITED = T
(ALARM_INHIBITED bit is found in ChargeStatus())
Note: V CHG is active in all charge states except for nickel batteries which operate in constant current mode.
4110fb
17
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相关代理商/技术参数 |
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|---|---|
| LTC4110EUHF-TR | 制造商:LINER 制造商全称:Linear Technology 功能描述:Battery Backup System Manager |
| LTC4110EUHF-TRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:Battery Backup System Manager |
| LTC4120IUD#PBF | 制造商:Linear Technology 功能描述:BATTERY CHARGER, 400MA, QFN-16, Battery Type:Li-Ion, Li-Polymer, Input Voltage:4 |
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| LTC4150_1 | 制造商:LINER 制造商全称:Linear Technology 功能描述:Coulomb Counter/ Battery Gas Gauge |
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