FRDM33772BTPLEVB NXP Semiconductors Featuring the MC33772B battery cell controller IC Important notice NXP provides the enclosed product(s) under the following conditions: This evaluation kit is intended for use of ENGINEERING DEVELOPMENT OR EVALUATION PURPOSES ONLY. It is provided as a sample IC pre-soldered to a printed circuit board to make it easier to access inputs, outputs, and supply terminals.
Getting to know the hardware 4.1 Board overview The FRDM33772BTPLEVB serves as a hardware evaluation tool in support of NXP's MC33772B device. The MC33772B is a battery cell controller that monitors up to 6 lithium-ion battery cells. It is designed for use in both automotive and industrial FRDM33772BTPLEVBUG All information provided in this document is subject to legal disclaimers.
The device performs ADC conversion on the differential cell voltages and currents. It is also capable of battery charge coulomb counting and battery temperature measurements. The FRDM33772BTPLEVB is an ideal platform for rapid prototyping of MC33772B-based applications that involve current, voltage, and temperature sensing.
• Fully compatible with the MC33772 for a maximum of 14 cells • Qualified in compliance with AEC-Q100 4.5 Board description The FRDM33772BTPLEVB allows the user to exercise all the functions of the MC33772B battery controller cell. Figure 2. Board description FRDM33772BTPLEVBUG All information provided in this document is subject to legal disclaimers.
FRDM33772BTPLEVB NXP Semiconductors Featuring the MC33772B battery cell controller IC Table 2. Board description Name Description MC33772B Battery-cell controller IC 4.6 VCOM LED The VCOM LED is located on the board as shown in Figure Figure 3. VCOM LED The VCOM LED indicates when the device is in normal mode. Upon reset, the MC33772B enters into normal mode (VCOM turns on).
FRDM33772BTPLEVB NXP Semiconductors Featuring the MC33772B battery cell controller IC Figure 4. Test points The following test points provide access to various signals to and from the board. Table 3. Test points Test-point name Signal name Description RTDX_IN_N SI/RDTX_IN– Measures the isolated pulse communication...
Cell balance driver. Terminate to cell 1 cell balance load resistor. X1-34 Negative_Battery 4.9 External EEPROM The FRDM33772BTPLEVB has an integrated gateway communication link to an external local EEPROM. The MC33772B's I C Communication Interface manages communication with the EEPROM.
4.12 Fault detection The FRDM33772BTPLEVB uses an optocoupler to detect a fault that is dependent on user defined internal or external faults. The fault signal can be chained between EVBs and can be made available on the controller inputs.
FRDM33772BTPLEVB NXP Semiconductors Featuring the MC33772B battery cell controller IC Figure 6. FRDM33664BEVB Configuring the hardware 6.1 Battery stack connection A minimum of 3 cells and a maximum of 6 cells can be monitored. NXP provides a 6- cell battery emulator board, BATT-6EMULATOR. This board provides an intuitive way to change the voltage across any of the 6 cells of an emulated battery pack as well as the voltage across an emulated current sense shunt resistor.
FRDM33772BTPLEVB NXP Semiconductors Featuring the MC33772B battery cell controller IC Figure 7. Battery stack connection 6.2 Jumper connection One hand-soldered jumper (JP11) on the EVB is used to set the GPIO0 pin input. In position 1-2 (default), the NTC (NTC0) is connected to GPIO0 pin of the MC33772B.
Featuring the MC33772B battery cell controller IC 6.3 TPL communication connection In a high-voltage Isolated application with a daisy chain configuration, up to 15 FRDM33772BTPLEVB boards may be connected. The TPL connections use the COMM (J4) connector. Figure 8. FRDM33772BTPLEVB board setup 6.4 Fault chain connection...
FRDM33772BTPLEVB NXP Semiconductors Featuring the MC33772B battery cell controller IC Table 6. Bill of materials Part number Description M50-9101742 34-pin ribbon cable BATT-6EMULATOR 6-cell slider battery pack emulator kit with shunt for current sense FRDM33664BEVB EVB for MC33664ATL Isolated Network High-Speed Transceiver References Board summary page —...
10 Legal information responsible for doing all necessary testing for the customer’s applications and products using NXP Semiconductors products in order to avoid a 10.1 Definitions default of the applications and the products or of the application or use by customer’s third party customer(s).
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Board description ..........5 Fig. 7. Battery stack connection ......... 11 Fig. 3. VCOM LED ............6 Fig. 8. FRDM33772BTPLEVB board setup ....12 Fig. 4. Test points ............7 Fig. 9. Fault chain connection ........13 Fig. 5. Connectors ............8 FRDM33772BTPLEVBUG All information provided in this document is subject to legal disclaimers.
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