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LT3650EDD-4.2#TRPBF
+NomenclatureIC BATT CHG LI-ION 1CELL 12DFN
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FabricantAnalog Equipment GmbH.
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Pièce fabricant #LT3650EDD-4.2#TRPBF
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Fiche technique LT3650EDD-4.2#TRPBF DataSheet
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Spécifications
| Attribut | Valeur |
| Part Status | Active |
| Battery Chemistry | Lithium Ion/Polymer |
| Number of Cells | 1 |
| Current - Charging | Constant - Programmable |
| Programmable Features | Timer |
| Fault Protection | Over Temperature |
| Charge Current - Max | 2A |
| Battery Pack Voltage | 4.2V |
| Voltage - Supply (Max) | 32V |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 12-WFDFN Exposed Pad |
| Supplier Device Package | 12-DFN (3x3) |
| Base Product Number | LT3650 |
Présentation
Description
Key features include programmable charging current, temperature monitoring, and safety timers to prevent overcharging. The charger incorporates a built-in power path management system, allowing simultaneous charging and system operation. Additionally, it supports a wide range of battery chemistries and includes protection against overvoltage, undervoltage, and thermal regulation.
The LT3650EDD-4.2#TRPBF is housed in a compact, thermally-enhanced package, making it ideal for space-constrained designs. Its efficiency and reliability make it suitable for portable devices, electric vehicles, and energy storage systems. Overall, it represents a robust solution for modern battery charging applications.
Equivalent
Features
1. Input Voltage Range: Operates from 4.5V to 32V, accommodating various power sources.
2. Charge Current: Adjustable charge current up to 1A, suitable for fast charging applications.
3. Voltage Regulation: Provides a constant output voltage of 4.2V, ideal for lithium battery charging.
4. Thermal Regulation: Includes thermal foldback to prevent overheating during operation.
5. Integrated Switching: Features a built-in power switch that enhances efficiency and reduces external component count.
6. Fault Protection: Offers overvoltage, overcurrent, and thermal protection to ensure safe operation.
7. Low Quiescent Current: Low standby current helps extend battery life during idle times.
8. Compact Package: Available in a thermally enhanced MSOP-16 package, suitable for space-constrained applications.
This device is ideal for portable electronics, electric vehicles, and renewable energy systems.
Pinout
Pin Count: 16 pins
Key Functions:
1. VIN: Input voltage supply.
2. GND: Ground.
3. BAT: Battery connection.
4. PG: Power good output.
5. ISET: Current setting resistor connection.
6. STRT: Start pin for initiating charging.
7. CHRG: Charging status output.
8. TEMP: Temperature sensing input for safety.
9. SW: Switching node for the internal regulator.
10. CSN/ CSP: Current sense inputs for monitoring charging current.
11. REF: Reference voltage output.
12. VOUT: Output voltage for the load.
13. PROG: Programming pin for setting charging parameters.
14. FBA: Feedback for the internal voltage regulator.
15. COMP: Compensation pin for stability.
16. LIM: Current limit setting.
This IC is optimized for efficiency and provides multiple safety features for battery management.
Manufacturer
The LT3650EDD-4.2#TRPBF is a part of their power management portfolio, specifically designed for battery management and charging applications. Analog Devices focuses on innovative technologies that improve performance and efficiency in electronic systems, catering to a wide range of industries and applications. The company is headquartered in Norwood, Massachusetts, and has a global presence with numerous facilities and design centers worldwide.