Analog Devices LTC4121EUD Battery Chargers
Charger IC Multi-Chemistry 16-QFN (3x3)
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
LTC4121EUD
Detailed Description
IC BATT CHG MULTI-CHEM 16QFN
Package
16-WFQFN Exposed Pad
Key Features
Package / Case: 16-WFQFN Exposed Pad; Mounting Type: Surface Mount
Lifecycle Status
Obsolete
RoHS State
RoHS Compliant
Datasheet
LTC4121EUD Datasheet
Quick Jump:
Technical Specifications
Analog Devices LTC4121EUD Battery Chargers technical specifications.
General
RoHS
Yes
Package / Case
16-WFQFN Exposed Pad
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 125°C (TJ)
Supply Voltage
40V
Lifecycle Status
Obsolete
Battery Chemistry
Multi-Chemistry
Charge Current Max
400mA
Current Charging
Constant - Programmable
Battery Pack Voltage
18V (Max)
Related Parts Comparison (LTC4121EUD vs LTC3559EUD#PBF vs LTC3559EUD-1#TRPBF vs LTC4120IUD-4.2#TRPBF)
Side-by-side specifications of related catalog parts.
Engineering verification required. Related parts may have different electrical ratings, pinouts, footprints, and operating limits. Verify suitability for your circuit before substitution.
| This Part | Related Part | Related Part | Related Part | |
|---|---|---|---|---|
| Package / Case | 16-WFQFN Exposed Pad | 16-WFQFN Exposed Pad | 16-WFQFN Exposed Pad | 16-WFQFN Exposed Pad |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 125°C (TJ) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 125°C (TJ) |
| Supply Voltage | 40V | 4.3 V ~ 5.5 V | 5.5V | 40V |
| RoHS | Yes | Yes | Yes | Yes |
| Lifecycle Status | Obsolete | Active | Active | Active |
| Battery Chemistry | Multi-Chemistry | Lithium Ion/Polymer | Lithium Ion/Polymer | Lithium Ion/Polymer |
| Battery Pack Voltage | 18V (Max) | 4.2V | 4.2V | 4.2V |
| Charge Current Max | 400mA | 950mA | 950mA | 400mA |
| Current Charging | Constant - Programmable | Constant - Programmable | Constant - Programmable | Constant - Programmable |
| Package | 16-QFN (3x3) | QFN-16 | QFN-16 | QFN-16 |
| Number of Cells | -- | 1 | 1 | 1 |
| Action |
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