ST EVAL-L9960 Manual de usuario
June 2017 DocID030232 Rev 2 1/19
1
UM2164
User manual
EVAL-L9960/L9960T
Introduction
The EVAL-L9960 and EVAL-L9960T are evaluation boards designed to provide the user a
platform for the L9960 and L9960T, that are integrated H-Bridge (Twin for L9960T) for
resistive and inductive loads for automotive applications, such as throttle control actuators
or exhaust gas recirculation control valves.
The board offers all the main input/output capabilities needed to drive a DC motor properly
and to provide diagnostic functionalities.
Full diagnostic is available through SPI. By using SPI communication, it is possible to
program L9960 and L9960T while the application is running (e.i. set the current limitation).
A dedicated pin array allows connecting easily a SPC5 discovery+ board and the EVAL-
L9960/L9960T. In association with the discovery board SPC560P-DISP a dedicated SW
allows controlling a motor control application by using a PC via a USB port.
The device is an integrated H-Bridge for resistive and inductive loads for automotive
applications, such as throttle control actuators or exhaust gas recirculation control valves.
The driving strategy is enhanced by configurable PWM / DIR pins as IN1/IN2.The H-Bridge
contains integrated free-wheel diodes. In case of freewheeling conditions, the low side or
the high side transistor is switched on in parallel of its diode to reduce power dissipation.
The integrated Serial Peripheral Interface (SPI) allows device parameters adjustment and to
control all operating modes and read out diagnostic information.
Detailed failure diagnostics on each channel is provided via SPI: short circuit to battery,
short circuit to ground, short circuit overload, over temperature. Open-load can be detected
in ON condition, for the widest application ranges.
The EVAL-L9960 and EVAL-L9960T boards are suitable for both beginners and expert
users working in standalone mode connected with any control system or combined with all
SPC5 Discovery+ boards through a computer graphic interface or though embedded
application examples.
The board is compatible with both 5V and 3.3V control systems
www.st.com
Contents UM2164
2/19 DocID030232 Rev 2
Contents
1 Hardware description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
1.1 Application Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2 EVAL-L9960 & L9960T: board description . . . . . . . . . . . . . . . . . . . . . . . 6
2.1 EVAL-L9960 & EVAL-L9960T . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.2 EVAL- L9960 / L9960T . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.2.1 Jumper description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.2.2 Connectors & Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.2.3 L9960T SPI configurator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
2.3 Test Point description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
3 Functional description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3.1 Jumper setting using L9960 & SPC5 Discovery+ board . . . . . . . . . . . . . 12
3.2 Jumper setting using L9960T & SPC5 Discovery+ board . . . . . . . . . . . . 12
4 Getting started with EVAL-L9960 & EVAL-L9960T . . . . . . . . . . . . . . . . 14
Appendix A Board layout. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
A.1 EVAL-L9960 & EVAL-L9960T PCB Layout. . . . . . . . . . . . . . . . . . . . . . . . 15
A.2 EVAL-L9960 & EVAL-L9960T schematic . . . . . . . . . . . . . . . . . . . . . . . . . 17
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
DocID030232 Rev 2 3/19
UM2164 List of tables
3
List of tables
Table 1. Jumpers descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Table 2. Connector & Device description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Table 3. Test point description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Table 4. Jumpers setting using L9960 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Table 5. Jumpers setting using L9960T . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Table 6. Document revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
List of figures UM2164
4/19 DocID030232 Rev 2
List of figures
Figure 1. Application Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Figure 2. EVAL-L9960 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Figure 3. EVAL-L9960T . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Figure 4. Gate driver board (L9907) - components and connectors - top view . . . . . . . . . . . . . . . . . . 7
Figure 5. SPC56 Discovery + Connector. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Figure 6. Motor A Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Figure 7. Motor B Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Figure 8. L9960T SPI configurator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Figure 9. PCB Layout – Top view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Figure 10. Gate driver board - PCB Layout – Bottom view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Figure 11. EVAL-L9960 & EVAL-L9960T schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
DocID030232 Rev 2 5/19
UM2164 Hardware description
17
1 Hardware description
The EVAL-L9960/L9960T is an evaluation board designed to allow the whole hardware
configuration flexibility, giving the user total access to all pins of the L9960/L9960T.
The main features are:
Total accessibility to all devices pins
Full HW compatibility with the SPC56 discovery boards through the standard SPC56
Discovery+ connector, 0.1” - 4x36 pin.
Possibility to connect generic microcontroller boards(a) by using a customised adapter.
1.1 Application Block Diagram
Figure 1. Application Block Diagram
a. A dedicated connector allows plugging the EVAL-L9960/L9960T in a SCP5 Discovery+ board easily. Further
microcontroller boards can be connected to drive the evaluation boards by using an adaptor.
EVAL-L9960 & L9960T: board description UM2164
6/19 DocID030232 Rev 2
2 EVAL-L9960 & L9960T: board description
2.1 EVAL-L9960 & EVAL-L9960T
Figure 2. EVAL-L9960
Figure 3. EVAL-L9960T
DocID030232 Rev 2 7/19
UM2164 EVAL-L9960 & L9960T: board description
17
Figure 4. Gate driver board (L9907) - components and connectors - top view
EVAL-L9960 & L9960T: board description UM2164
8/19 DocID030232 Rev 2
2.2 EVAL- L9960 / L9960T
2.2.1 Jumper description
2.2.2 Connectors & Device
Table 1. Jumpers descriptions
Name Description Type
J5 Vcc source jumper:
- 2-1= VcCC5= Vcc Micro
- 3-2= VDD5 (L7805CDT-TR)
Configurabletwopositions
jumper
J6
Vcc source jumper:
- 2-1= VDDIO= VDD5
- 2-3= VDDIO= 3,3V Micro
- 2-4= VDDIO= VDD5 (L7805CDT-TR)
- 2-5= VDDIO= 3V3 LD1117DT33CTR
Configurable three
positions jumper
J7 CSN2 Signal source jumper
1-2= CSN2=CSN1
3-2= Micro
Configurabletwopositions
jumper
J8 SDI2 Signal source jumper
- 1-2= SDI2=SDI1
- 3-2= Micro
Configurabletwopositions
jumper
J9 SCK2 Signal source jumper
- 1-2= SCK2= SCK1
- 3-2= Micro
Configurabletwopositions
jumper
J10 SDO2 Signal source jumper
- 1-2= SDO2= SDO1
- 3-2= Micro
Configurabletwopositions
jumper
J11 NDIS2 pull down resistor
- ON R=10k pull down ON/OFF jumper
J12 NDIS1 pull down resistor
- ON R=10k pull down ON/OFF jumper
J13 DIS2 pull up resistor
- ON R=10k pull up ON/OFF jumper
J14 DIS1 pull up resistor
- ON R=10k pull up ON/OFF jumper
Table 2. Connector & Device description
J1 Motor A Connector Screw
J2 Motor B Connector (Only for EVAL-L9960T) Screw
J3 VS Connector Screw
DocID030232 Rev 2 9/19
UM2164 EVAL-L9960 & L9960T: board description
17
Figure 5. SPC56 Discovery + Connector
Figure 6. Motor A Connector
J4_1,J4_2 Microcontroller connector Multipin
U1 L9960 / L9960T POWERSSO36
U2 5V Voltage Regulator L7805CDT-TR DPAK
U3 3,3 V Voltage Regulator LD1117DT33CTR DPAK
Table 2. Connector & Device description (continued)
EVAL-L9960 & L9960T: board description UM2164
10/19 DocID030232 Rev 2
Figure 7. Motor B Connector
2.2.3 L9960T SPI configurator
Figure 8. L9960T SPI configurator
2.3 Test Point description
I: Input,
O: Output
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1
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