RDK-848 is a 42 W dual USB port switching power supply for wall outlet and power strip pad application. The main power supply is an isolated flyback controlled by INN3379C InnoSwitcw3-Pro. It is designed to deliver 30 W USB PD 3.0 (USB Type-C) and at the same time, provide DC input supply for 5 V / 2.4 A output (USB Type-A) DC/DC converter.
InnoSwitch3-Pro is a highly integrated digitally controllable quasi-resonant flyback switcher IC designed for high efficiency USB PD 3.0 application. It integrates a highvoltage switch, primary and secondary side control and fluxLink feedback which simplifies the development of fully programmable, highly efficient power supplies, particularly those in compact enclosures. InnoSwitch3-Pro has built-in 3.3 V linear regulator that provides a bias supply for the microprocessor in stand-alone implementations. The IC uses the universal I2C interface that enables dynamic control of output voltage and current along with many configurable features.
RDK-848 offers low component count and heat sink-less design for compact enclosure applications. The key design goals were high efficiency and compact design.
| Manufacturer | Power Integrations |
|---|---|
| Category | Power Management |
| Sub-Category | USB Power Delivery |
| Eval Board Part Number | 596-RDK-848-ND |
| Eval Board Supplier | Power Integrations |
| Eval Board |
Board not Stocked
|
| Port Role |
Source
|
| Voltage In |
90 ~ 265 VAC
|
| Voltage Out |
5 V
9 V 12 V 15 V 20 V |
| Port Current |
1.5 A
2 A 2.4 A 2.5 A 3 A |
| Power Out |
12 W (Type A Port)
30 W (Type C Port) 42 W |
| Features |
Over Current Protection (OCP)
Over Voltage Protection (OVP) Short Circuit Protection Thermal Protection |
| No-load Input Power @ Voltage |
< 55 mW @ 115 VAC
< 60 mW @ 230 VAC |
| Compliance |
USB Power Delivery 3.0
|
| Efficiency @ Conditions |
>90%, 230V in, 9V @ 15 ~ 30 W
>90%, 230V in, 12V @ 15 ~ 30 W >89%, 230V in, 20V @ 18 ~ 30 W >89%, 230V in, 15V @ 12 ~ 30 W >89%, 115V in, 9V @ 3 ~ 30 W >89%, 115V in, 15V @ 15 ~ 30 W >89%, 115V in, 12V @ 9 ~ 30 W >88%, 230V in, 5V @ 3 ~ 27 W >88%, 115V in, 5V @ 3 ~ 30 W >88%, 115V in, 20V @ 15 ~ 30 W |
| Component Count + Extras |
73 + 2
|
| Design Author |
Power Integrations
|
| Main I.C. Base Part |
INN3379C
|
| Date Created By Author | 2020-07 |
| Date Added To Library | 2020-09 |
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