Datasheet LTC4010 (Analog Devices) - 7

制造商Analog Devices
描述High Efficiency Standalone Nickel Battery Charger
页数 / 页24 / 7 — Charge Enable Threshold. Thermistor Disable Threshold. Voltage (VCC – …
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Charge Enable Threshold. Thermistor Disable Threshold. Voltage (VCC – BAT). Voltage. Pause Threshold Voltage. INTVDD Voltage

Charge Enable Threshold Thermistor Disable Threshold Voltage (VCC – BAT) Voltage Pause Threshold Voltage INTVDD Voltage

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LTC4010 Typical perForMance characTerisTics
Charge Enable Threshold Thermistor Disable Threshold Voltage (VCC – BAT) Voltage Pause Threshold Voltage
600 3.3 270 250 3.2 550 230 3.1 210 500 190 VOLTAGE (mV) VOLTAGE (V) 3.0 VOLTAGE (mV) 450 170 2.9 150 400 2.8 130 –50 –30 –10 10 30 50 70 90 –50 –30 –10 10 30 50 70 90 –50 –30 –10 10 30 50 70 90 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 4010 G21 4010 G22 4010 G23
INTVDD Voltage INTVDD Short-Circuit Current
5.5 –30 NO LOAD 5.3 –35 –40 5.1 –45 VOLTAGE (V) 4.9 CURRENT (mA) –50 4.7 –55 4.5 –60 –50 –30 –10 10 30 50 70 90 –50 –30 –10 10 30 50 70 90 TEMPERATURE (°C) TEMPERATURE (°C) 4010 G24 4010 G25 pin FuncTions
FAULT (Pin 1):
Active-Low Fault Indicator Output. The Applications Information sections for further details. This LTC4010 indicates various battery and internal fault condi- output is capable of driving an LED and should be left tions by connecting this pin to GND. Refer to the Operation floating if not used. CHRG is an open-drain output to GND and Applications Information sections for further details. with an operating voltage range of GND to VCC. This output is capable of driving an LED and should be
CHEM (Pin 3):
Battery Chemistry Selection Input. This left floating if not used. FAULT is an open-drain output to pin should be wired to GND to select NiMH fast charge GND with an operating voltage range of GND to VCC. termination parameters. If a voltage greater than 2.85V is
CHRG (Pin 2):
Active-Low Charge Indicator Output. The applied to this pin, or it is left floating, NiCd parameters LTC4010 indicates it is providing charge to the battery by are used. Refer to the Applications Information section for connecting this pin to GND. Refer to the Operation and further details. Operating voltage range is GND to 3.3V. 4010fb Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Package Description Revision History Related Parts