RAK17001 WisBlock H-Bridge Module Datasheet
Overview
Figure 1: RAK17001 WisBlock H-Bridge ModuleDescription
RAK17001 is a WisBlock H-Bridge module which extends the WisBlock system with a STSPIN250 DC motor drive module from ST. It can drive dc motor and can be used as a PWM controller. Additionally, it can be mounted to IO slot of WisBlock Base board.
Features
-
Sensor specifications
- DC motor drive module
- Operating voltage from 1.8 V to 10 V
- Maximum output current 2.6 Arms
- Full protection set
-
Size
- 25 x 35 mm
Specifications
Overview
Mounting
Figure 2 shows the mounting mechanism of the RAK17001 module on a WisBlock Base board. The RAK17001 module can be mounted on the IO slots.
Figure 1: RAK17001 WisBlock H-Bridge Module MountingHardware
The hardware specification is categorized into five parts. It shows the chipset of the module and discusses the pinouts, sensors, and the corresponding functions and diagrams. It also covers the electrical and mechanical parameters, including the tabular data of the functionalities and standard values of the RAK17001 WisBlock H-Bridge Module.
Chipset
| Vendor | Part Number |
|---|---|
| ST | STSPIN250 |
Pin Definition
The RAK17001 WisBlock H-Bridge Module comprises a standard WisBlock connector. The WisBlock connector allows the RAK17001 module to be mounted to a WisBlock Base board. The pin order of the connector and the pinout definition are shown in Figure 3.
Figure 1: RAK17001 WisBlock H-Bridge Module Pinout Diagram- PWM, PH, and FAULT_CKECK,EN are connected to WisIO connector.
- RESET is not used by default. There is a reserved resistance for users.
- 3V3_S is used by default for STSPIN250's logic input voltage. There is a reserved resistance for users to change to 3V3.
Electrical Characteristics
Absolute Maximum Ratings
| Parameter | Minimum | Maximum | Unit |
|---|---|---|---|
| 3V3_S | - 0.3 | 5.5 | V |
| VM(STSPIN250's Supply Voltage) | - 0.3 | 11 | V |
Power Supply Ratings
| Symbol | Description | Condition | Min. | Nom. | Max. | Unit |
|---|---|---|---|---|---|---|
| 3V3_S | Supply voltage | Input voltage must within this range | - | 3.3 | - | V |
| Vbat | Vbat power supply STSPIN250 | normal operation | - | - | 4.2 | V |
| Vin | External power supply STSPIN250 | normal operation | 1.8 | - | 10 | V |
Mechanical Characteristics
Board Dimensions
Figure 4 shows the dimensions and the mechanic drawing of the RAK17001 module.
Figure 1: RAK17001 WisBlock H-Bridge Module Mechanic DrawingWisConnector PCB Layout
Figure 1: WisConnector PCB footprint and recommendationsSchematic Diagram
Figure 6 shows the schematic of the RAK17001 module.
Figure 1: RAK17001 WisBlock H-Bridge Module schematics
