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参数资料
| 型号： | LTC4110EUHF#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 10/52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
PIN FUNCTIONS
BAT (Pin 31): Battery Voltage Sense Input. This pin is used
to monitor the battery and control charging voltage through
an internal resistor divider connected to this pin that is
disconnected in shutdown mode. Also provides a control
input for battery ideal diode functions. Pin should be Kelvin-
connected to battery to avoid voltage drop errors.
DCHFET (Pin 32): Drives the Gate of an External N-MOSFET.
Used to drive energy into the battery side of the high ef-
?ciency switch mode converter during low loss calibration
discharge of the battery. Provides synchronous recti?cation
during battery charging.
CHGFET (Pin 33): Drives the Gate of an External N-
MOSFET. Used to drive energy into the supply side of
the high ef?ciency switch mode converter during battery
charging. Provides synchronous recti?cation during low
loss calibration mode.
BATID (Pin 35): Drives the Gate of the Battery P-MOSFET
Ideal Diode. Controls low loss ideal diode between the
battery and backup load when in backup mode. When not
in backup mode, the P-MOSFET is turned off to prevent
battery power from back driving into main power.
NC (Pin 36): No Connect.
DCOUT (Pin 37): System Power Output Voltage Monitor
Input. Provides a control input for supply input ideal diode
and battery ideal diode functions. Also supplies power to the
IC. Bypass at pin with 100nF low ESR capacitor to GND.
INID (Pin 38): Drives the Gate of the Supply Input P-MOSFET
Ideal Diode. Controls low loss ideal diode between the sup-
ply input and backup load when not in backup mode.
Exposed Pad (Pin 39): Ground. The Exposed Pad must
be soldered to the PCB.
V DD (Pin 34): Bypass Capacitor Connection for Internal
V DD Regulator. Bypass at pin with 100nF low ESR capaci-
tor to GND.
4110fb
10
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 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 |
| LTC4150 | 制造商:LINER 制造商全称:Linear Technology 功能描述:High Voltage, High-Side Current Sense |
| 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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