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NXP Semiconductors KIT33771TPLEVB User Manual Download Page 8

KIT33771TPLEVB evaluation board,

 Rev. 2.0

8

NXP Semiconductors

Getting to know the hardware

3.5

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 

1

Cells terminal filters — Connection to battery cells through low pass filters

2

MC33771 — Battery cell controller IC

3

Transformer isolated communication

4

Fault detection

5

GPIO:NYC[1…7]

1

2

3

4

5

Summary of Contents for KIT33771TPLEVB

Page 1: ...NXP Semiconductors User s Guide Document Number KT33771TPLUG Rev 2 0 10 2016 2016 NXP B V KIT33771TPLEVB evaluation board Featuring the MC33771 battery cell controller IC Figure 1 KIT33771TPLEVB...

Page 2: ...1 Important notice 3 2 Getting started 4 3 Getting to know the hardware 5 4 Accessory transceiver board 16 5 Configuring the hardware 17 6 Schematic 23 7 Board Layout 24 8 Board bill of materials 26...

Page 3: ...n the kit it may be returned within 30 days from the date of delivery and will be replaced by a new kit NXP reserves the right to make changes without further notice to any products herein NXP makes n...

Page 4: ...mponent count reduction ease of design lower system cost and improved performance in powering state of the art systems Go to www nxp com KIT33771TPLEVB Review your Tool Summary Page Look for Download...

Page 5: ...ns that involve current voltage and temperature sensing The KIT33771TPLEVB includes a transformer enabling communication in a high speed isolated communication network The information is digitally tra...

Page 6: ...Transformer Isolation Transformer VPWR GPIO_0 RDTX_OUT RDTX_IN RDTX_IN RDTX_OUT FAULT_OUT FAULT_RTN SDA SDL NTC 1 7 TEMP INT GPIO PHY I2 C PHY TPL PHY COMM_IN Connector COMM_OUT Connector GND VBAT Ce...

Page 7: ...ons Table 1 MC33771 device features Device Description Features MC33771 Battery cell controller 9 6 V VPWR 61 6 V operation 70 V transient SPI or isolated 2 0 MHz differential communication Synchroniz...

Page 8: ...s the user to exercise all the functions of the MC33771 battery controller cell Figure 3 Board description Table 2 Board description Number Description 1 Cells terminal filters Connection to battery c...

Page 9: ...on reset the MC33771 enters into normal mode VCOM lights If there is no activity on the bus after a timeout period of 60 seconds the device enters low power idle mode VCOM turns off Once the device is...

Page 10: ...ng 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 sent t...

Page 11: ...connector J3 Pin Name Description 1 COMM_OUT Receive transmit output positive 2 COMM_OUT Receive transmit output negative 3 GPIO_0 General purpose analog input or GPIO or wake up or fault daisy chain...

Page 12: ...ith external LPF resistor Cell balance driver Terminate to cell 7 and 6 cell balance load resistor X1 21 X1 22 CT_5 CB_6 5_C Cell pin 5 input with external LPF resistor Cell balance 6 5 common Termina...

Page 13: ...e with a bridge divisor GPIO_0 can be used as the input for wake up or fault daisy chain Figure 8 External temperature sensing 3 11 Cell terminal voltage measurement The differential measurement of ea...

Page 14: ...e chained between EVBs and can be made available on the controller inputs With two KIT33771TPLEVB boards the fault is chained as shown below Figure 10 Fault detection FAULT_HIGH KIT3371TPLEVB_high R50...

Page 15: ...0 MHz with very low radiated emissions Ability to force the secondary signals to be true differential reducing radiated emissions Ability to loop the network back to the pack controller Figure 11 Bus...

Page 16: ...33771TPLEVB 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 i...

Page 17: ...emiconductors 17 Configuring the hardware 5 Configuring the hardware 5 1 Battery stack connection A minimum of eight cells and a maximum of 14 cells can be monitored Figure 13 Battery stack connection...

Page 18: ...5 are populated and R116 is not placed see Figure 14 2 Connect the battery stack to the X1 1 to X1 4 connector pins positive and the X1 33 connector pins negative The current is considered as negative...

Page 19: ...current only Figure 16 illustrates the connections required to measure an external load current only 1 Connect the positive side of the battery stack to the X1 1 to X1 4 pins Connect the negative sid...

Page 20: ...n position 1 2 default the NTC NTC1 is connected to GPIO0 pin of the MC33771 This input can be used as analog input If the jumper is placed in position 2 3 the GPIO0 can be used as fault input for fau...

Page 21: ...lated 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 Figure 18 KIT3377...

Page 22: ...are 5 5 Fault Chain Connection The FAULT chain connection is optional When used it connects through connectors COMM_IN J4 and COMM_OUT J3 Figure 19 Fault chain connection 1 to 15 MCU SPI FAULT 1 to 15...

Page 23: ...0K Z3 TPD1E10B09DPYT 1 2 C54 0 47uF R43 1 0K CONN 2X17 X1 15 15 CONN 2X17 X1 5 5 CONN 2X17 X1 7 7 R45 1 0K C12 0 047uF Pri Sec T1 ESMIT 418O 2 3 1 4 JP31 1 2 3 t NTC1 10K CONN 2X17 X1 14 14 R25 3 0K C...

Page 24: ...KIT33771TPLEVB evaluation board Rev 2 0 24 NXP Semiconductors Board Layout 7 Board Layout 7 1 Assembly Layer Top...

Page 25: ...KIT33771TPLEVB evaluation board Rev 2 0 NXP Semiconductors 25 Board Layout 7 2 Assembly Layer Bottom...

Page 26: ...ection 0402 TPD1E10B09DPYT LEDs 12 1 VCOM LED LED 630 nm Red LED0603 SML 311UTT86 Capacitors 13 15 C27 C32 C52 C53 C54 C55 C56 C57 C58 C59 C60 C61 C62 C63 C64 470 nF 100 V Capacitor C1206 14 16 C1 C2...

Page 27: ...sistor 1 10 W R0603 40 11 R80 R81 R82 R83 R84 R85 R86 R109 R110 R115 R119 0 Resistor 1 16 W R0402 41 2 R105 R106 620 Resistor 1 16 W R0402 2 42 4 R107 R108 R117 R118 0 Resistor 1 8 W R0805 43 1 R111 0...

Page 28: ...iption 1 1 KIT33664AEVB NXP MC33664 isolated network high speed transceiver 2 1 M50 9101742 34 Pin ribbon cable Notes 3 NXP does not assume liability endorse or warrant components from external manufa...

Page 29: ...in your region 10 2 Warranty Visit www nxp com warranty to submit a request for tool warranty NXP com Support Pages Description URL KIT33771TPLEVB Tool summary page http www nxp com KIT33771TPLEVB MC3...

Page 30: ...evaluation board Rev 2 0 30 NXP Semiconductors Revision history 11 Revision history Revision Date Description of changes 1 0 5 2016 Initial release 2 0 10 2016 Updated part number for schematic label...

Page 31: ...ial or incidental damages Typical parameters that may be provided in NXP data sheets and or specifications can and do vary in different applications and actual performance may vary over time All opera...

Page 32: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information NXP KIT33771TPLEVB...

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