ZSPM4521
Evaluation Kit Manual
Kit Description
February 12, 2013
© 2013 Zentrum Mikroelektronik Dresden AG
— Rev. 1.00
All rights reserved. The material contained herein may not be reproduced, adapted, merged, translated, stored, or used without the
prior written consent of the copyright owner. The information furnished in this publication is
subject to changes without notice.
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4
Connectors and Test Points
4.1.
Board Connectors
The board contains the following connectors for external signals and supplies:
J1:
The input supply voltage for the board, which is controlled by the ZSPM4521 to charge the
battery.
J2:
Output voltage from the charger.
J3:
Pin 2
–
Open drain output for the ZSPM452
1’s NFLT pin (see ZSPM4521 data sheet for details).
J5:
Battery temperature sensor / thermistor input (optional).
J6:
I
2
C™ connector. Pin 4 is next to “J6 I2C” on ZSPM4521 Evaluation Board (Figure 2.1)
VDD
–
pin 1 (Note this pin has been removed to avoid erroneous connections that could damage
the board.)
SCL
–
pin 2
SDA
–
pin 3
GND
–
pin 4
4.2.
Test and Probe Points
The board contains the following test/probe points:
TP3 (VOUT):
Kelvin test point for VBAT+ (VOUT) to the positive battery terminal.
TP4 (GND):
Kelvin test point for the negative battery terminal and ground for the EVB.
TP7 (SW):
Switching node test point (SW pin on the ZSPM4521).
TP6 (VSNS):
Sense voltage test point (VSENSE pin on the ZSPM4521).
TP5 (EN):
Enable pin test point (EN pin on the ZSPM4521).
TP8 (VTH_REF):
VTH_REF test point.
TP9 (VTHERMHI) / TP10 (VTHERMLO):
Respectively, the positive and negative Kevin connection test
points for thermistor for measuring battery temperature.
