SLAU915 May 2024 ULC1001
The ULC1001-DRV2911 EVM can be set up to drive multiple types of Lens Cover Systems. The EVM contains a flexible boost converter design and multiple filter configurations in the output path. Use the following instructions for assembling the hardware and installing the software components of the system.
The ULC1001-DRV2911 EVM has two input power connectors, one screw down terminal block (J4) and one 2.5mm barrel jack (J3). The output is connected through the J2 terminal block at the bottom of the board. An on-board MSP430 controls four push buttons with default configurations and a USB2ANY can be connected through the J1 header. One of two pin headers can be used to control DRV2911 faults. Due to I2C protocol, the fault can be handled via ULC1001 (J12) when using the GUI. When evaluating the GUI in a production like state (without the GUI), the fault can be handled by ULC1001 (J12) or MSP430 (J13).
Table 3-1 lists the descriptions for all connections, jumpers, and switches on the EVM.
Port | Description |
---|---|
J1 | USB2ANY port compatible with the 10-pin cable that ships with the USB2ANY. Pin 6 is GND. Pin 9 is SCL. Pin 10 is SDA. |
J2 |
Output terminal block, possible output range of 0-250Vp, 3.5A, 10-400 kHz depending on load and filter configuration. Terminal block rated for 300V, 15A. |
J3 | Power Supply input barrel jack, 2.5mm. Input 9-16V, 8A. (Use either J4 of J3). |
J4 | Power Supply input terminal block. Input 9-16V, 8A. (Use either J4 or J3). |
J5 | Power connection between converters and the DRV2911 device for GND and PVDD. |
J6 |
Pin header for ULC1001 power supply selection. Short pins 1-2 to power ULC1001 from regulator also powering MSP430 or short pins 2-3 to power ULC1001 from DRV2911 internal regulator. |
J7 |
Pin header for disconnecting the MSP430 SCL connection. |
J8 | Micro-USB port for MSP430. |
J9 |
Pin header for disconnecting the MSP430 SDA connection. |
J10 |
UART connection to the MSP430. |
J11 |
Pin header for variable boost adjust circuitry. Short jumper for variable boost with R26 potentiometer, or leave open for default 30V boost. |
J12 |
Pin header for DRV2911 reset from ULC1001. If this pin is shorted, ULC1001 SD_OUT must be put into manual mode and controlled externally. If you power ULC1001 from DRV2911 (J6), do not short this pin. |
J13 |
Pin header for DRV2911 reset from MSP430. |
S1 |
I2C address select switch. Pulls AD0 on ULC1001 to VDD or GND. Replacing R6 and R7 with 10kΩ resistors enables additional I2C addresses |
S2 | Shutdown switch for ULC1001 (SDZ). SDZ is pulled low when Switch S3 is pushed. |
S3 | Power switch for entire EVM. Disconnects the input supply from the converter circuits. |
S4 | Run Water mode
continuously from MSP430. 2nd press stops the continuous Water mode. |
S5 | Run Auto mode continuously from MSP430. 2nd press stops the continuous Auto mode. |
S6 | Run Water mode from MSP430. |
S7 | Run Calibration from MSP430. |
S8 | BSL (Bootstrap Loader) for MSP430 programming. |