The XRP779711EVB-DEMO-1 board is a complete, four channel power system. It provides 1.5V, 1.2V 1.8V and 2.5V at maximum currents of 10A, 10A, 6A and 6A respectively. The 1.5V and 1.2V supplies can be adjusted in 2.5mV increments, the 1.8V and 2.5V supplies in 5mV increments.
The order and ramp rates for each supply can be programmed to accommodate any sequencing requirement. All power supply operations can be controlled over an I2C interface. Faults, output voltages and currents can also be monitored. Two GPIO and three PSIO signals are available and can be programmed to provide a variety of functions. Unused GPIO/PSIO pins can be programmed as I/O expansion for a microcontroller.
The board is supported by PowerArchitectTM 5.1 and plugs directly onto the interposer board acting as an interface to Arduino controller.
| Manufacturer | MaxLinear, Inc. |
|---|---|
| Category | AC/DC and DC/DC Conversion |
| Sub-Category | DC/DC SMPS - Multi Output |
| Eval Board Part Number | 1016-1990-ND |
| Eval Board Supplier | MaxLinear, Inc. |
| Eval Board |
Board not Stocked
|
| Topology |
Step Down
|
| Outputs and Type |
4 Non-Isolated
|
| Voltage Out: Highest Current First | |
| Current Out |
10A, 10A, 6A, 6A
|
| Voltage In |
5.5 ~ 22 V
|
| Efficiency @ Conditions |
>85%, 12V in, 5V @ 0.2 ~ 6 A
>80%, 12V in, 3.3V @ 0.25 ~ 6 A >70%, 12V in, 1.8V @ 0.36 ~ 6 A |
| Voltage Out Range |
0.6 ~ 5.5 V
|
| Features |
Current Limit (Adj. or Fixed)
I²C Interface Memory Available On-Board Over Current Protection Over Voltage Protection Power Good Output Short Circuit Protection Shutdown, Enable, Standby SMBus Interface Soft Start |
| Switching Frequency |
124 kHz ~ 1.23 MHz
|
| Standby Current [Typical] |
10 µA
|
| Quiescent Current [Typical] |
440 µA
|
| Component Count + Extras |
54 + 37
|
| Internal Switch |
No
|
| Design Author |
Exar Corporation
|
| Application / Target Market |
Networking
Power: Industrial Power Security IP Camera Servers Set-Top Boxes |
| Standby Current [Maximum] |
20 µA
|
| Quiescent Current [Maximum] |
600 µA
|
| Main I.C. Base Part |
XRP9711
|
| Date Created By Author | 2014-01 |
| Date Added To Library | 2014-10 |
Hong Kong, China
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