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Summary of Contents for NXP Semiconductors KIT33771TPLEVB
- Page 1 NXP Semiconductors Document Number: KT33771TPLUG User’s Guide Rev. 2.0, 10/2016 KIT33771TPLEVB evaluation board Featuring the MC33771 battery cell controller IC Figure 1. KIT33771TPLEVB © 2016 NXP B.V.
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Page 2: Table Of Contents
11 Revision history ..................30 KIT33771TPLEVB evaluation board, Rev. -
Page 3: Important Notice
NXP was negligent regarding the design or manufacture of the part. NXP™ and the NXP logo are trademarks of NXP Semiconductor, Inc. All other product or service names are the property of their respective owners. © 2016 NXP Semiconductors, B.V. KIT33771TPLEVB evaluation board, Rev. 2.0 NXP Semiconductors... -
Page 4: Getting Started
Getting started Getting started Kit contents/packing list The KIT33771TPLEVB contents include: • Assembled and tested evaluation board/module in anti-static bag • Quick start guide Jump start NXP’s analog product development boards serve as an easy-to-use platform for evaluating NXP products. They support a range of analog, mixed-signal and power solutions. -
Page 5: Getting To Know The Hardware
Board overview The KIT33771TPLEVB evaluation board serves as a hardware evaluation tool in support of NXP’s MC33771 device. The MC33771 is a battery cells controller that accommodates up to fourteen lithium-Ion batteries. It is designed for use in both automotive and industrial applications. -
Page 6: Block Diagram
Cell Balancing Output Output GND/VBAT GND/VBAT [CB_1...CB_14] [CB_1...CB_14] Current Sense Current Sense Voltage Sense Voltage Sense Input Input Input Input ISENSEL / ISENSEL / [CT_REF...CT_14] [CT_REF...CT_14] ISENSEH ISENSEH Connector Battery/Cells Figure 2. Block diagram KIT33771TPLEVB evaluation board, Rev. 2.0 NXP Semiconductors... - Page 7 • Integrated sleep mode over/undervoltage and temperature monitoring • Over/undervoltage, over/undertemperature fault verification • Onboard 300 mA passive cell balancing with diagnostics • Open cell pin detection • Internal diagnostics • Hot plug capable • Operational low-power mode KIT33771TPLEVB evaluation board, Rev. 2.0 NXP Semiconductors...
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Page 8: Board Overview
Getting to know the hardware Board overview The KIT33771TPLEVB circuit board allows the user to exercise all the functions of the MC33771 battery controller cell. Figure 3. Board description Table 2. Board description Number Description Cells terminal filters — Connection to battery cells through low pass filters MC33771 —... - Page 9 TPL bus after 1 second, the device switches to sleep mode and the LED turns off (VCOM off). Depending on the device settings, the VCOM LED may flash every second during cyclic acquisition. KIT33771TPLEVB evaluation board, Rev. 2.0...
- Page 10 Test point name Signal name Description RTDX_IN_N SI/RDTX_IN- RTDX_IN_P SCLK/RTDX_IN+ Measures the isolated pulse communication sent to the device RTDX_OUT_N RTDX_OUT- RTDX_OUT_P RTDX_OUT+ NEG_BATT GNDREF Ground reference of the device POS_BATT Positive V KIT33771TPLEVB evaluation board, Rev. 2.0 NXP Semiconductors...
- Page 11 Cell balance driver. Terminate to cell 14 cell balance load resistor X1-5 CT_13 Cell pin 13 input with external LPF resistor. X1-6 CB_14:13_C Cell balance 14:13 common. Terminate to cell 14 and 13 common pin KIT33771TPLEVB evaluation board, Rev. 2.0 NXP Semiconductors...
- Page 12 Cell pin REF input with external LPF resistor. Negative_Battery X1-34 CB_1 Cell balance driver. Terminate to cell 1 cell balance load resistor External EEPROM 10.0 K VCOM VCOM 0.01 PF 10.0 K 24LC01BT-I/OT Figure 7. External EEPROM KIT33771TPLEVB evaluation board, Rev. 2.0 NXP Semiconductors...
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Page 13: Gpio Configuration
Getting to know the hardware The KIT33771TPLEVB has an integrated gateway communication link to an external local EEPROM. In high-voltage isolated applications, the MC33771’s I²C Communication Interface manages communication with the EEPROM. After a reset, the device automatically loads the EEPROM calibration parameters into the MC33771 registers. - Page 14 The KIT33771PTLEVB 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. With two KIT33771TPLEVB boards, the fault is chained as shown below.
- Page 15 Some component values may be placed and adjusted for EMC purpose: C91 (default 22 pf), C92 (default 22 pF), R107, R108, C68, C69, and the pi filter made of R105, R106 and C93. By default, all other components (except C91 and C92) are not populated. KIT33771TPLEVB evaluation board, Rev. 2.0...
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Page 16: Accessory Transceiver Board
Accessory transceiver board Accessory transceiver board The KIT33771TPLEVB kit is designed for use with the KIT33664AEVB in high-voltage isolated applications which provide a SPI to high speed isolated communication interface. The KIT33664AEVB includes a MC33664 isolated network high speed transceiver. MCU SPI data bits are directly converted to pulse bit information. -
Page 17: Configuring The Hardware
Battery stack connection A minimum of eight cells and a maximum of 14 cells can be monitored. Cells: 8 - 14 Stack: 10 - 70 V 34-pin Ribbon Cable Figure 13. Battery stack connection KIT33771TPLEVB evaluation board, Rev. 2.0 NXP Semiconductors... -
Page 18: Default Configuration
Configuring the hardware Isense connection A 0.1 Ω shunt resistor is available on the KIT33771TPLEVB for current measure during demonstrations. It is also possible to use an external shunt for current measure by disconnecting the embedded one. 5.2.1 Using the embedded 0.1 Ω shunt (default configuration) The current should be limited to ±500 mA to avoid any damage of the EVB. - Page 19 Configuration 1: measuring external loads and KIT33771TPLEVB currents Figure 15 illustrates the connections required to measure both external load currents and KIT33771TPLEVB loads. Connect the battery stack to the X1-1 to X1-4 pins (positive) and X1-33, X1-31 pins (negative). Connect one side of the external shunt to the X1-33 and X1-31 pins. Connect the other side to X1-34 and X1-32 pins.
- Page 20 VCOM R112 10.0 K Place R119 on top of Pins 1 and 2 of JP31 R119 JP31 GPIO0 R103 1.0 K 1000 pF 2200 pF NTC1 Figure 17. Jumper JP31 connection KIT33771TPLEVB evaluation board, Rev. 2.0 NXP Semiconductors...
- Page 21 Configuring the hardware TPL communication connection In a high-voltage Isolated application with a daisy chain configuration, up to 15 KIT33771TPLEVB boards may be connected with two transformers. The TPL connections use connectors COMM_IN (J4) and COMM_OUT (J3). Optional: KIT33664AEVB Isolated Network...
- Page 22 The FAULT chain connection is optional. When used, it connects through connectors COMM_IN (J4) and COMM_OUT (J3) Optional: KIT33664AEVB Isolated Network High-Speed Transceiver FAULT FAULT 1 to 15 1 to 15 KIT33771TPLEVB Figure 19. Fault chain connection KIT33771TPLEVB evaluation board, Rev. 2.0 NXP Semiconductors...
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Page 23: Schematic
Schematic Schematic Figure 20. Evaluation board schematic KIT33771TPLEVB evaluation board, Rev. 2.0 NXP Semiconductors... -
Page 24: Board Layout
Board Layout Board Layout Assembly Layer Top KIT33771TPLEVB evaluation board, Rev. 2.0 NXP Semiconductors... - Page 25 Board Layout Assembly Layer Bottom KIT33771TPLEVB evaluation board, Rev. 2.0 NXP Semiconductors...
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Page 26: Board Bill Of Materials
100 nF 50 V capacitor C0805 C91, C92, C94, C95 22 pF 50 V capacitor C0402 47 nF 100 V Capacitor C0603 Inductors T1, T2 120 uH Transformer CBM5D33 ESMIT-4180/A 90 Ω Chock_0805 DLW21SN900SQ2B KIT33771TPLEVB evaluation board, Rev. 2.0 NXP Semiconductors... - Page 27 NXP does not assume liability, endorse, or warrant components from external manufacturers are referenced in circuit drawings or tables.While NXP offers component recommendations in this configuration, it is the customer’s responsibility to validate their application. Do not populate KIT33771TPLEVB evaluation board, Rev. 2.0 NXP Semiconductors...
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Page 28: Accessory Item Bill Of Materials
NXP does not assume liability, endorse, or warrant components from external manufacturers are referenced in circuit drawings or tables. While NXP offers component recommendations in this configuration, it is the customer’s responsibility to validate their application. KIT33771TPLEVB evaluation board, Rev. 2.0... -
Page 29: References
Product summary page http://www.nxp.com/MC33771 KIT33771SP1EVB http://www.nxp.com/KIT33771SPIEVB Tool summary page KIT33664AEVB http://www.nxp.com/KIT33664AEVB 10.1 Support Visit www.nxp.com/support for a list of phone numbers within your region. 10.2 Warranty Visit www.nxp.com/warranty to submit a request for tool warranty. KIT33771TPLEVB evaluation board, Rev. 2.0 NXP Semiconductors... -
Page 30: Revision History
Revision history Revision history Revision Date Description of changes 5/2016 • Initial release 10/2016 • Updated part number for schematic label IC1 in Table 7 KIT33771TPLEVB evaluation board, Rev. 2.0 NXP Semiconductors... - Page 31 How to Reach Us: Information in this document is provided solely to enable system and software implementers to use NXP products. There are no expressed or implied copyright licenses granted hereunder to design or fabricate any integrated circuits based on Home Page: the information in this document.
- Page 32 Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: KIT33771TPLEVB...
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