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ETA9740
+Nomenclature-
FabricantComposants jlcpcb
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Pièce fabricant #ETA9740
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En stock25813
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Spécifications
| Attribut | Valeur |
| Manufacturer | JLCPCB Assembly |
| Package | ESOP-8 |
Présentation
Description
- Dual-role USB Type-C® support: Enables both power delivery (PD) and charging.
- Wide input voltage range (3.6V–24V): Compatible with USB PD and other fast-charging protocols.
- Efficient buck-boost operation: Optimizes power conversion for batteries (e.g., 1-4 cells).
- Integrated protections: Overvoltage, overcurrent, and thermal shutdown.
Applications include power banks, smartphones, and other USB-C devices. Its compact design reduces external components, simplifying PCB layout.
For detailed specs, refer to the ETA9740 datasheet.
Equivalent
1. TI BQ51050B – Wireless power receiver.
2. NXP MWCT1013 – Wireless charging transmitter.
3. IDT P9221 – Qi-compatible wireless power receiver.
4. ST STWLC68 – High-efficiency wireless charging IC.
These chips offer similar functionalities like Qi-standard compliance and power management. Check datasheets for exact compatibility.
Features
- USB PD 3.0 Support: Compliant with latest Power Delivery standards.
- Dual-Role Port (DRP): Supports source, sink, or dual-role operation.
- Integrated Buck-Boost Converter: Efficiently manages power delivery up to 100W (20V/5A).
- Programmable Power Profiles: Configurable voltage/current settings (5V-20V).
- Low Power Consumption: Optimized for battery-powered devices.
- I²C Interface: Allows host control and customization.
- Over-Voltage/Current Protection: Built-in safeguards for safety.
- Compact Package: Small footprint (QFN) for space-constrained designs.
Ideal for laptops, docks, and portable devices requiring fast charging.
Pinout
1. USB Power Delivery (PD): Supports bidirectional 5V/9V/12V/15V/20V power delivery (up to 100W).
2. Buck-Boost Charging: Integrates a synchronous buck-boost charger (up to 3A) for flexible input/output voltage adaptation.
3. System Power Path: Manages power from USB or battery to the system with priority switching.
4. I²C Interface: Allows configuration and status monitoring (e.g., voltage/current settings).
Pins include power inputs (VBUS, BAT), charger control (CC1/CC2 for PD), I²C (SCL/SDA), and system power outputs (SYS). It is commonly used in fast-charging devices like laptops and power banks.
Application
1. Wireless Earbuds & TWS Headsets – Combines charging and communication for compact designs.
2. Smartwatches & Wearables – Supports low-power charging and efficient power management.
3. Bluetooth Devices – Enables fast charging and bidirectional power sharing.
4. IoT Gadgets – Optimizes battery life and charging efficiency.
5. Portable Medical Devices – Provides reliable power for small, battery-operated equipment.
Its features like I²C control, low standby power, and dual-mode operation make it ideal for space-constrained, battery-powered applications.