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resources:eval:user-guides:circuits-from-the-lab:cn0509 [11 Sep 2020 08:31] – test update Trisha Cabildo | resources:eval:user-guides:circuits-from-the-lab:cn0509 [11 Mar 2021 03:51] (current) – links Trisha Cabildo | ||
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======EVAL-CN0509-EBZ Overview====== | ======EVAL-CN0509-EBZ Overview====== | ||
- | [[ADI> | + | [[ADI> |
The circuit will survive up to 100V reverse connection to a power source with a green LED indicating correct input polarity and red led otherwise. | The circuit will survive up to 100V reverse connection to a power source with a green LED indicating correct input polarity and red led otherwise. | ||
- | {{ : | + | {{ : |
\\ | \\ | ||
---- | ---- | ||
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===== Documents Needed ===== | ===== Documents Needed ===== | ||
- | * [[https:// | + | * [[ADI> |
===== Equipment Required ===== | ===== Equipment Required ===== | ||
- | * **Hardware** | ||
* EVAL-CN0509-EBZ Circuit Evaluation Board | * EVAL-CN0509-EBZ Circuit Evaluation Board | ||
- | * DC Source | + | * DC power supply |
* Solar panels, fully charged or half-discharged car batteries, -48V telecom backup supplies, random stacks of alkaline cells, treadmill motors hacked to run as generators, wind turbines | * Solar panels, fully charged or half-discharged car batteries, -48V telecom backup supplies, random stacks of alkaline cells, treadmill motors hacked to run as generators, wind turbines | ||
- | * Mobile device | + | * USB multimeter tester (or equivalent) |
- | | + | * USB Type A to Micro-USB/ |
- | | + | * A device with USB charging capability (cell phone, tablet, or portable power pack) and a USB charging cable for the device |
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---- | ---- | ||
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* Connector **P1** is the screw terminal block for input supply | * Connector **P1** is the screw terminal block for input supply | ||
* Connector **P2** is the USB output connectors for the load | * Connector **P2** is the USB output connectors for the load | ||
+ | * Test point **TP1** is the LTC7103 output voltage programming pin VPRG2. This pin is left floating to program the chip to have 12 V fixed output voltage. | ||
+ | * Test point **PGOOD** is the LTC7103 Open-Drain Power Good Output pin | ||
+ | * Test point **CLKOUT** is the LTC7103 Output clock signal pin | ||
+ | * Test point **IMON** is the LTC7103 Average Output Current Monitor pin. This pin generates a voltage between 0.4V and 1.3V that corresponds to an average output current between 0A and 2.5A. | ||
+ | * Test point **ICTRL** is the LTC7103 ICTRL pin that programs the average output current in constant current mode. This is left floating to set the average output current to 2.5A and the peak current limit to 3.7A | ||
+ | * Test point **TP6** is the voltage input to the LTC7103 | ||
+ | * Test point **12V** is the 12V output voltage of the LTC7103 | ||
+ | * Test point **GND1** is the ground relative to input supply | ||
+ | * Test point **VBUS** is the USB VBUS voltage which typically carries 5V | ||
+ | * Test point **D-** is the USB data+ signal | ||
+ | * Test point **D+** is the USB data- signal | ||
+ | * Test point **GND** is the isolated ground relative to output | ||
+ | |||
\\ | \\ | ||
==== USB Output Connectors ==== | ==== USB Output Connectors ==== | ||
- | {{ : | + | {{ : |
- | * Bottom receptacle (1) includes a USB Dedicated Charging Port (DCP) controller that enables | + | * Bottom receptacle (1) includes a USB Dedicated Charging Port (DCP) controller that enables |
- | * Top receptacle (2) is for general-purpose charging | + | * Top receptacle (2) is for general-purpose charging |
\\ | \\ | ||
---- | ---- | ||
==== Test setup ==== | ==== Test setup ==== | ||
- | {{ : | + | {{ : |
- | - Connect the DC supply to the terminal block P1 of [[ADI>EVAL-CN0509-EBZ|EVAL-CN0509-EBZ]] | + | - Connect the input DC supply to P1 on [[ADI> |
\\ | \\ | ||
==== Running the System ==== | ==== Running the System ==== | ||
- | - Ensure safe connection as it may deal with input voltages up to 100 V | + | - Turn on DC supply. |
- | - Upon turning on DC input, CN0509 will turn on. The circuit will determine if input connection is in correct polarity through lighting DS1 or DS2. | + | - The circuit will determine if input connection is in correct polarity through lighting DS1 or DS2. |
- | | + | |
- | - Connect the device/load at P2 output | + | * If DS2 (red LED) illuminates, turn off the input supply, disconnect the power inputs, swap the power leads, |
- | - Charge your device! Take note that each device has its own " | + | - Connect the USB multimeter tester to the lower USB port on the EVAL-CN0509-EBZ. |
+ | - Connect a fast charge capable device | ||
+ | - You can check the USB multimeter tester and see if the device is pulling more than 500 mA but less than 2 A. | ||
+ | - Connect the USB multimeter tester to the upper USB port on the EVAL-CN0509-EBZ. | ||
+ | - You can check the USB multimeter tester and see if the device | ||
+ | - Take note that each device has its own " | ||
{{ : | {{ : | ||
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* [[ADI> | * [[ADI> | ||
- | * [[http:// | ||
* [[ADI> | * [[ADI> | ||
* [[ADI> | * [[ADI> | ||
===== Schematic, PCB Layout, Bill of Materials ===== | ===== Schematic, PCB Layout, Bill of Materials ===== | ||
<WRAP round 80% download> | <WRAP round 80% download> | ||
- | [[http:// | + | [[adi>media/ |
* Schematics | * Schematics | ||
* PCB Layout | * PCB Layout |