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Summary of Contents for NXP Semiconductors UM11884
- Page 1 UM11884 EVBMA777T2 user manual Rev. 2.0 — 14 February 2025 User manual Document information Information Content Keywords MC33777A, EVBMA777T2 Abstract This user manual targets the EVBMA777T2 board. The EVBMA777T2 is an evaluation board for the MC33777A (battery junction box IC).
- Page 2 UM11884 NXP Semiconductors EVBMA777T2 user manual IMPORTANT NOTICE For engineering development or evaluation purposes only NXP provides this evaluation product under the following conditions: Evaluation kits or reference designs are intended solely for technically qualified professionals, specifically for use in research and development environments to facilitate evaluation purposes.
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Page 3: Introduction
UM11884 NXP Semiconductors EVBMA777T2 user manual 1 Introduction The user manual describes the EVBMA777T2. The evaluation board embeds one MC33777A battery junction box controller IC. The NXP analog product development boards provide a platform for evaluating NXP products. These development boards support a range of analog, mixed-signal, and power solutions. These boards incorporate monolithic ICs and system-in-package devices that use high-volume technology. - Page 4 UM11884 NXP Semiconductors EVBMA777T2 user manual External voltage source Evaluation board USB-to-UART cable KIT-PC2TPLEVB ETPL External power cable supply aaa-059139 Figure 1. Hardware setup Table 1 lists the material required to set up the test. Table 1. Bill of materials Material Comment...
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Page 5: Getting To Know The Hardware
UM11884 NXP Semiconductors EVBMA777T2 user manual Table 2. External power supply connection External power supply output Connection on the EVBMA777T2 Positive output J13.1 Negative output J13.2 Table 3 describes the connection of the external voltage source emulating the voltage drop across the shunt resistor. - Page 6 UM11884 NXP Semiconductors EVBMA777T2 user manual Figure 2. Connector location Table 4 lists the connectors. Table 4. Connector description Connection Description Power supply (J13) J13.1 24V+ positive power supply terminal J13.2 24V- power supply isolated ground ETPL communication (J7) J7.1 TPL1P ETPL positive input/output from/to lower node J7.2...
- Page 7 UM11884 NXP Semiconductors EVBMA777T2 user manual Table 4. Connector description ...continued Connection Description Secondary ISENSE inputs (J4) J4.1 SEC_ISENSEP secondary positive current measurement input J4.2 SEC_ISENSEN secondary negative current measurement input Primary VISENSE inputs (J5) J5.1 PRM_VISENSEP primary positive current/voltage measurement input J5.2...
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Page 8: Test Points
UM11884 NXP Semiconductors EVBMA777T2 user manual Table 4. Connector description ...continued Connection Description J2.8 SEC_IO1 secondary input/output 1 J2.9 ground J2.10 SEC_IO0 secondary input/output 0 J2.11 SEC_VREF2V5 secondary 2.5 V reference J2.12 SEC_VREF5V0 secondary 5 V reference Primary pyrotechnic switch controller (J9) J9.1... - Page 9 UM11884 NXP Semiconductors EVBMA777T2 user manual Figure 3. Test point location Table 6 lists the test points. Table 6. Test point description Test point Signal Description GPIO0 GPIO1 GPIO4 GPIO3_SDA C data line to the external EEPROM GPIO2_SCL C clock line to the external EEPROM...
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Page 10: Jumpers
UM11884 NXP Semiconductors EVBMA777T2 user manual Table 6. Test point description ...continued Test point Signal Description TP15 VDDIO TP16 PRM_VDDC TP17 SEC_VDDC TP18 3.5 Jumpers The EVBMA777T2 has jumpers to configure MC33777A signals. Figure 4 shows the location of the jumpers. -
Page 11: Power Supply
UM11884 NXP Semiconductors EVBMA777T2 user manual 3.6 Power supply The EVBMA777T2 integrates an isolated DC-DC converter (TMR 4-2415, from Traco). It generates an isolated supply voltage for the MC33777A (V ). The user must connect a power supply to J13 with characteristics... -
Page 12: Inputs/Outputs (Io)
The user can link any port to a controller or other NXP devices. A transformer isolates the EVBMA777T2 from other devices. 4 References NXP Semiconductors provides online resources for this evaluation board and its supported devices on http:// www.nxp.com. The information page for the MC33777A is http://nxp.com/mc33777. This page provides overview information, documentation, software and tools, parametrics, ordering information and a getting started tab. -
Page 13: Legal Information
NXP Semiconductors. In no event shall NXP Semiconductors be liable for any indirect, incidental, Evaluation products — This evaluation product is intended solely for punitive, special or consequential damages (including - without limitation -... - Page 14 UM11884 NXP Semiconductors EVBMA777T2 user manual Security — Customer understands that all NXP products may be subject to NXP B.V. — NXP B.V. is not an operating company and it does not distribute unidentified vulnerabilities or may support established security standards or or sell products.
- Page 15 UM11884 NXP Semiconductors EVBMA777T2 user manual Tables Tab. 1. Bill of materials ..........4 Tab. 6. Test point description ........9 Tab. 2. External power supply connection .....5 Tab. 7. Power supply ...........11 Tab. 3. External voltage source connection ....5 Tab.
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Page 16: Table Of Contents
Please be aware that important notices concerning this document and the product(s) described herein, have been included in section 'Legal information'. © 2025 NXP B.V. All rights reserved. For more information, please visit: https://www.nxp.com Document feedback Date of release: 14 February 2025 Document identifier: UM11884...
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