Texas Instruments TPS1213Q1EVM User manual
EVM User's Guide: TPS1213Q1EVM TPS1213-Q1
TPS1213-Q1 Evaluation Module for Smart High-Side
Driver
Description
The TPS1213Q1EVM allows reference circuit
evaluation of TI's TPS1213-Q1 smart high-side driver.
The TPS1213-Q1 device has operating range of
3.5V-40V and has main path gate drive with 1.69-A
strength to enable switching parallel MOSFETs in high
current designs. The TPS12130-Q1 has low-power
mode to support always ON loads while consuming
28 µA (typ). In low power mode, only the low power
path FET is kept ON and the main FETs are turned
OFF to save IQ. The device provides adjustable
short circuit protection with configurable auto-retry
and latch-off fault behavior.
Features
• 3.5-V to 40-V operating voltage range
• 15-A to 50-A adjustable short circuit protection
using onboard jumpers
• Programmable short-circuit protection delay
• Programmable load wakeup threshold
• Programmable auto-retry and latch options
• LED status indication for fault and Active mode
Applications
•Automotive 12 V BMS
•Power distribution box
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TPS1213-Q1 Evaluation Module for Smart High-Side Driver 1
Copyright © 2023 Texas Instruments Incorporated
1 Evaluation Module Overview
1.1 Introduction
This user’s guide describes the TPS1213-Q1 evaluation module (EVM). This guide provides configuration
information, test setup details and contains the EVM schematics, bill of materials, assembly drawings, and top
and bottom board layouts.
CAUTION
Hot surface. Contact can cause burns. Do not touch.
1.2 Kit Contents
Table 1-1. TPS1213Q1EVM Kit Contents
Item Description Quantity
TPS1213Q1EVM PCB 1
1.3 Specification
• 6-V to 36-V (typ) operation
• Current sensing using MOSFET VDS
• Programmable load wakeup threshold
1.4 Device Information
The TPS1213-Q1 is a 45-V low IQ smart high side driver with protection and diagnostics. With wide operating
voltage range of 3.5 V–40 V, the device is an excellent choice for 12-V system designs. The device can
withstand and protect the loads from negative supply voltages down to –40 V. The device has integrated two
gate drives with 1.69-A src/2-A sink capacity to drive MOSFETs in the main path and 150-μA src/2-A sink
capacity for the low power path.
In the low power mode with LPM = Low, the low power path FET is kept ON and the main FETs are turned OFF.
The device consumes low IQ of 35- μA (typ) in this mode. Auto Load wakeup threshold to enter into active state
can be adjusted using ISCP/LWU pin. IQ reduces to 1-μA (typ) with EN/ UVLO low.
The device provides adjustable short circuit protection using MOSFET VDS sensing or by using an external
RSNS resistor. Auto-retry and latch-off fault behavior can be configured. The device also features diagnosis of
the internal short circuit comparator using external control on SCP_TEST input.
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2 Hardware
The TPS1213Q1EVM evaluation board enables evaluation of TPS12130-Q1 driver. The input power is applied
between connectors T1 and T3 while T2 and T4 provide an output connection to the load, Refer to the schematic
in Figure 4-1 and EVM test setup in Figure 3-1.
D3 provides the fault indication output for under-voltage fault, short-circuit fault and during SCP comparator
diagnosis whereas D4 provides the device is in active mode.
Table 2-1. TPS1213Q1EVM Evaluation Board Options and Setting
Part Number EVM Function Vin Range Vin UVLO ENABLE
(EN/UVLO)
Short circuit
protection Features
Low Setting Hi Setting
TPS1213Q1EVM
Low IQ High Side
Switch Controller with
Low Power Mode
and Adjustable Load
Wakeup Trigger
6 V–36 V 6 V Active high 15 A 50 A
MOSFET VDS
sensing
Short-circuit
protection with Auto-
retry/ latch response
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Copyright © 2023 Texas Instruments Incorporated
2.1 General Configurations
2.1.1 Physical Access
Table 2-2 lists the TPS1213Q1EVM Evaluation Board input and output connector functionality. Table 2-3 and
Table 2-4 describe the test point availability and the jumper functionality.
Table 2-2. Input and Output Connector Functionality
Connector Label Description
T1 VIN Power input connector to the positive rail of the input power supply
T3 PGND Ground connection for the power supply
T2 VOUT Power output connector to the positive side of the load
T4 PGND Ground connection for the load
Table 2-3. Test Points Description
Test Points Label Description
TP1 G2 GATE of the low power path MOSFET
TP2 VIN Input power supply to the EVM
TP3 VOUT Output from the EVM
TP4 EN/UVLO Enable control (active high) and undervoltage input
TP5 GATE GATE of the external main MOSFET
TP6 TMR Fault timer voltage
TP7 VAUX Auxiliary supply to bias the LEDs
TP8 INP Control input of main MOSFET
TP9 LPMb Low power mode control input
TP10 INP/ Inversion of control input for main MOSFET
TP11 LPM Inversion of control input for the low power mode
TP12 FLTb Fault output
TP13 WAKE Output to indicate active mode
TP14, TP15 PGND Power ground
TP16 GND Ground
TP17, TP18 CAP_INS Connector to insert output capacitor
TP19 SCP_TEST Internal short circuit comparator (SCP) diagnosis input
Table 2-4. Jumper and LED Descriptions
Jumper Label Description
J1 SCP_TEST Internal short circuit comparator (SCP) diagnosis input.
1-2 Position disables the diagnosis function.
J2 LPM 1-2 position forces the device to lower power mode.
J3 TMR
Short-circuit protection delay setting.
1-2 Position sets 1 ms delay.
3-4 Position sets 10 ms delay.
5-6 Position sets the controller in Latch-off mode.
J4 ISCP/LWU
Short-circuit protection threshold setting.
1-2 Position sets ISCP at 15 A and LWU at 11.5mA.
3-4 Position sets ISCP at 25 A and LWU at 17.5mA.
5-6 Position sets ISCP at 50 A and LWU at 35 mA.
J5 BST 1-2 position charges BST capacitor from the VIN.
D3
(RED – LED) D3 Fault indicator. LED turns ON for under-voltage fault, short-circuit fault and during SCP
comparator diagnosis.
D4
(GREEN – LED) D4 LED turns ON when device enters into active mode.
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2.1.2 Test Equipment and Setup
2.1.2.1 Power Supplies
One adjustable power supply with 0-V to 40V- output and 0-A to 50-A output current limit.
2.1.2.2 Meters
One DMM minimum needed.
2.1.2.3 Oscilloscope
A DPO2024 or equivalent, three 10 times voltage probes, and a DC current probe.
2.1.2.4 Loads
One resistive load or equivalent that can tolerate up to 50-A DC load at 40 V and capable of the output short.
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3 Implementation Results
3.1 Test Setup and Procedures
Make sure the evaluation board has default jumper settings as shown in Table 3-1.
Table 3-1. Default Jumper Setting for TPS1213Q1EVM Evaluation Board
J1 J2 J3 J4 J5
Install Install 5-6 5-6 OPEN
Positive
Negative
Positive
Load
Negative
Voltmeter
PRINT
HELP
ALPHA
SHIFT
ENTER
RUN
D
GE
RF
I
A
JB
KC
L
7
M8
N9
O
D
GD
GD
G
D
G T 3
U
0
V.
WXYZ
TAB
% UTILIZATION
HUB/MAU NIC
2
BNC
4Mb/s
Oscilloscope
Power
Supply
Figure 3-1. TPS1213Q1EVM Setup with Test Equipment
Follow the below instructions before starting any test and repeat again before moving to next test.
• Set the power supply output (VIN) to zero volts.
• Turn ON the power supply and set the power supply output (VIN) to 12 V, current limit = 50 A.
• Turn OFF the power supply.
• Set the jumper setting on EVM to default position as shown in Table 3-1.
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3.1.1 Startup in Low Power Mode
Use the following instructions to verify the power up profile of TPS12130-Q1
1. Connect the EN/UVLO pin (TP4) to ground.
2. Now, enable the EN/UVLO to HIGH to verify the startup profile of BST, G2 and SRC.
Figure 3-2. Start-Up Profile of Low Power Path (LPMb = Low, VIN= 12 V, No-load, CBST = 470 nF)
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3.1.2 State Transition (LPM to Active Mode through Load Wakeup Trigger)
Use the following instructions to verify state transition of TPS12130-Q1 through load wakeup trigger
1. Apply 12 V at the input of the EVM at no-load.
2. Enable the EN/UVLO to HIGH.
3. Now, gradually increase the load current from 5 mA to 200 mA and observe the transition from low power
mode to Active mode at the pins of G1 (TP5), G2 (TP1), WAKE (TP13) and load current using oscilloscope.
Figure 3-3. State Transition from LPM to Active Mode (LPMb = Low, VIN= 12 V, EN/UVLO = High)
Figure 3-4. Zoom-in View of State Transition from LPM to Active Mode (LPMb = Low, VIN= 12 V, EN/UVLO
= High)
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3.1.3 State Transition (LPM to Active Mode with LPMb Trigger)
Use the following instructions to verify state transition of TPS12130-Q1 with LPMb trigger.
1. Apply 12 V at the input of the EVM at no-load.
2. Enable the EN/UVLO to HIGH.
3. Now, make LPMb from LOW to HIGH to see the state transition from LPM to active mode.
Figure 3-6. State Transition from LPM to Active Mode (LPMb = Low to High, VIN= 12 V, No-load)
Figure 3-7. With LPMb = Low to High, INP Gained Control on G1 (VIN= 12 V, No-load)
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Copyright © 2023 Texas Instruments Incorporated
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