This TLD6098-2DPVB2G_EVAL board is to be used during the design-in process for evaluating and measuring multiphase topology with TLD6098-2ES. Note: PCB and auxiliary circuits are NOT optimized for final customer design. User guide Please read the sections “Important notice” and “Warnings” at the end of this document Revision 1.00 www.infineon.com 2022-12-22...
Boards provided by Infineon Technologies. The design of the Evaluation Boards and Reference Boards has been tested by Infineon Technologies only as described in this document. The design is not qualified in terms of safety requirements, manufacturing and operation over the entire operating temperature range or lifetime.
TLD6098-2DPVB2G_EVAL User guide Safety precautions Safety precautions Note: Please note the following warnings regarding the hazards associated with development systems. Table 1 Safety precautions Warning: The evaluation or reference board contains DC bus capacitors which take time to discharge after removal of the main supply. Before working on the drive system, wait five minutes for capacitors to discharge to safe voltage levels.
TLD6098-2DPVB2G_EVAL User guide Table of contents Table of contents About this document ........................1 Important notice ..........................2 Safety precautions .......................... 3 Table of contents ..........................4 The board at a glance ......................5 Main features ............................6 Board parameters and technical data ....................6 System and functional description ...................
TLD6098-2DPVB2G_EVAL User guide The board at a glance The board at a glance The TLD6098-2DPVB2G_EVAL dual phase boost-to-ground evaluation board is a switching power supply that, under nominal conditions, can deliver a constant voltage at the output between 43 V and 52 V and a current up to 7 A.
TLD6098-2DPVB2G_EVAL User guide The board at a glance Figure 2 Simplified schematic Main features Ripple on input and output is reduced • Phase shift applied between the switching signal of channels • Frequency can be lowered which decreases the commutation losses •...
TLD6098-2DPVB2G_EVAL User guide System and functional description System and functional description The power supply is composed of two DC-DC channels that work in parallel. Channel 1 leads the output voltage, channel 2 follows channel 1. Channel 1 works as a constant voltage source, whereas channel 2 works as a current source.
TLD6098-2DPVB2G_EVAL User guide System and functional description Input connection The board is equipped with a double type connector both in the input and in the output: screw terminal blocks and 4 mm female bananas. Attention: The screw terminal blocks have a limited current capability of up to 20 A. If the input current is higher than 20 A or it is unknown, connect the input power supply by using female bananas connectors.
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TLD6098-2DPVB2G_EVAL User guide System and functional description As already mentioned in Chapter 2.1, above, when the output current of channel 1 causes a drop voltage on the shunt resistor R , higher than a certain threshold called V , a current loop takes over the DC-DC control I-SENSE REF1 and limits the output current in order to keep the drop voltage on the shunt to V...
TLD6098-2DPVB2G_EVAL User guide System and functional description Output voltage regulation Output voltage can be set between 43 V and 52 V. Figure 6 Output voltage regulation Overvoltage protection is set by voltage divider R = 68 kΩ and R = 1.8 kΩ. If during a fault the output VFBH-2 VFBL-2 voltage goes higher than 62 V, on pin VFB2 the voltage is higher 1.6 V and the switching activity is stopped until...
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TLD6098-2DPVB2G_EVAL User guide System and functional description Figure 8 FLT1 and FLT2 test points In this board FPWM/FAULT1,2 pins react as follows, to a fault: Table 4 Fault detection Fault type FPWM/FAULT1 (Yellow LED) FPWM/FAULT2 (Red LED) Constant voltage out enabled Continuous high N.A.
TLD6098-2DPVB2G_EVAL User guide System and functional description Current derating Input current increases with the decreasing of input voltage. Thus, in order to keep components within their safety temperature, output power must be limited, reducing the output current according to the safe operating area (SOA) showed in the figure below.
TLD6098-2DPVB2G_EVAL User guide System design Electrical performance Figure 16 Input currents, switching nodes, output voltage (V = 12 V, V = 48 V, I = 7 A) Figure 17 Load dump (V = 14 V, V = 48 V, I = 0 A to 7 A, Rise time <...
TLD6098-2DPVB2G_EVAL User guide System design Efficiency measurements Efficiency vs. Input Voltage Input Voltage [V] Figure 18 Efficiency vs. input voltage performance This efficiency performance has been obtained with: Table 6 Efficiency measurement conditions Output load: Constant current sink set at 7 A Output voltage: 48 V Ambient temperature:...
TLD6098-2DPVB2G_EVAL User guide System design Thermal performances Ideally, the output current should be generated equally by both channels. Unfortunately, since the controller inputs FBH2 and FBL2 are real and show a residual offset, the currents sourced by the two channels are not identical.
TLD6098-2DPVB2G_EVAL User guide Revision history Revision history Document Date Description of changes revision Rev.1.00 2022-12-22 First release related to evalboard S03_P02 User guide Revision 1.00 2022-12-22...
For information on the types in question please contact your nearest Published by Infineon Technologies office. Except as otherwise explicitly approved by Infineon Infineon Technologies AG Technologies in a written document signed by 81726 Munich, Germany authorized...
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