ETA2845S2G

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ETA2845S2G

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Spécifications

Manufacturer etasolution
Package SOT-23-6
Voltage - Supply 5V~38V
Function Step-down type
Synchronous Rectifier Yes
Number of Outputs 1
Topology Step-Down
Operating Temperature -40℃~+85℃
Switch tube (built-in/external) Built-in
Output Current 400mA
Frequency - Switching 700kHz

Vue d'ensemble

Description

ETA2845S2G is a high-performance quartz movement produced by ETA, a leading Swiss manufacturer of watch movements. It is specifically designed for use in wristwatches, offering precision timekeeping and reliability. The ETA2845S2G features a 28,800 vibrations per hour (vph) frequency, which contributes to its accuracy.
This movement is known for its compact size and versatility, allowing it to be used in various watch designs, including both analog and digital models. It typically includes a date function and can be easily integrated into different watch cases. The ETA2845S2G is appreciated by both watchmakers and collectors for its robust construction and ease of maintenance. Overall, it exemplifies the high standards of Swiss watchmaking, making it a popular choice in the horology industry.

Features

The ETA2845S2G is a precision analog clock movement designed for various timekeeping applications. Key features include:
1. Quartz Technology: Ensures high accuracy and minimal drift over time.
2. Battery Operated: Runs on a standard battery, providing convenience and ease of use.
3. Silent Operation: The movement operates quietly, making it suitable for environments where noise is a concern.
4. Versatile Design: Compatible with various clock designs, allowing for customization.
5. Easy Installation: Designed for straightforward mounting in different clock cases.
6. Durability: Built to withstand typical wear and tear, ensuring longevity.
7. Time and Date Functionality: Some variants may include date and additional features.
Overall, the ETA2845S2G is ideal for both commercial and personal clock-making projects, combining reliability with aesthetic flexibility.

Package

The ETA2845S2G is packaged in a 4x4 mm QFN (Quad Flat No-lead) format. This type of package provides a compact design suitable for space-constrained applications while offering good thermal performance and electrical characteristics.

Pinout

The ETA2845S2G is a dual-channel, integrated circuit designed for high-efficiency power management applications, typically used in DC-DC converters. It features a total of 16 pins.
Pin Functions:
1. Vin - Input voltage.
2. GND - Ground connection.
3. SW - Switch node for inductor.
4. Vout - Output voltage.
5. COMP - Compensation network connection.
6. FB - Feedback voltage input for regulation.
7. SS - Soft-start control.
8. CSN - Current sense negative terminal.
9. CSP - Current sense positive terminal.
10. EN - Enable pin for the IC.
11. PG - Power good indicator.
12. DTC - Dynamic timing control.
13. ISEN - Current sense pin.
14. NC - No connection (unused pin).
15. Vref - Reference voltage output.
16. Vaux - Auxiliary voltage output.
This compact design is suitable for applications requiring efficient power conversion.

Manufacturer

The ETA2845S2G is manufactured by ETA SA Manufacture Horlogère Suisse, a Swiss company known for producing high-quality watch movements. ETA is a subsidiary of the Swatch Group, one of the largest watchmaking conglomerates in the world. Established in 1793, ETA specializes in the design and manufacture of mechanical and quartz movements, as well as components for various brands in the watch industry. The company is recognized for its precision engineering and reliability, making it a key player in the global horological market.

Application

The ETA2845S2G is a highly integrated power management IC primarily used in battery-powered devices. Its application areas include mobile phones, tablets, wearables, IoT devices, and portable electronics. It efficiently manages power conversion, charging, and battery monitoring, enhancing energy efficiency and extending battery life in consumer electronics and industrial applications.

Equivalent

The ETA2845S2G chip, a dual-channel high-side switch, has several equivalent products including the TPS2540 from Texas Instruments, the LTC4444 from Analog Devices, and the MIC4427 from Microchip Technology. Always verify specific electrical characteristics and functionality to ensure compatibility for your application.

Expédition

Méthodes d'expéditionNous

offrir des services d'expédition mondiaux par DHL, FedEx, TNT, UPS ou tout autre expéditeur de votre choix.


Référence des frais d'expédition (DHL/FedEx):

DHL: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 2 à 5 jours ouvrables.

FedEx: Les frais d'expédition varient de 25 à 40 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

UPS: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

TNT: Les frais d'expédition varient de 25 à 65 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

EMS: Les frais d'expédition varient de 30 à 50 $ (0,5 kg), avec un délai de livraison estimé de 7 à 15 jours ouvrables.

Courrier aérien enregistré: Le coût d'expédition est de 2 à 4 $ (0,1 kg), avec un délai de livraison estimé de 5 à 20 jours ouvrables.

Paiements

Payment Methods

Le terme de paiement est 100% prépayé.

Actuellement, nous n'acceptons que les méthodes de paiement ci-dessous:

1. PayPal

2. Carte de crédit/débit

3. Transfert bancaire

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