This application note is a Ringing Choke Converter (RCC)-based, step-by-step cell phone battery charger design procedure.
The RCC is essential to the self-oscillating fly-back converter, and operates within the Discontinuous Conduction Mode (DCM) and Continuous Conduction Mode (CCM) boundaries without noticeable reverse recovery of the output rectifying diodes. RCC control is achieved by using discrete components to control the peak current mode, so the overall RCC cost is relatively low compared to the conventional Pulse Width Modulation (PWM) IC fly-back converter. As a result, RCC is widely used for low power applications in industry and home appliances as a simple and cost-effective solution.
| Manufacturer | STMicroelectronics |
|---|---|
| Category | Power Management |
| Sub-Category | Battery Chargers |
| Eval Board Part Number | 497-5682-ND |
| Eval Board Supplier | STMicroelectronics |
| Eval Board |
Board not Stocked
|
| Cell Type |
Lithium Ion, Li-Ion
|
| Configuration |
1 Cell
|
| Voltage In |
85 ~ 265 VAC
|
| Voltage Out |
4.743 V
|
| Current Out |
400 mA
|
| Features |
Light Load Mode
|
| Quiescent Current [Typical] |
224 mA
|
| Sleep Mode Current [Typical] | |
| Component Count + Extras |
47 + 0
|
| Application / Target Market |
Cell Phones
|
| Design Author |
STMicroelectronics
|
| Main I.C. Base Part |
STD1NK60
|
| Quiescent Current [Maximum] |
242 mA
|
| Sleep Mode Current [Maximum] | |
| Date Created By Author | |
| Date Added To Library | 2011-03 |
România
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