ZSPM1025A
True Digital PWM Controller (Single-Phase, Single-Rail)
Data Format
PMBus™ Parameter
Temperature - Internal
IOT_FAULT_LIMIT
Description
Classification
Internal over-temperature fault level
N/A
N/A
OTP
IOT_WARN_LIMIT
Internal over-temperature warning level
OTP
Input Voltage
VIN_OV_FAULT_LIMIT
VIN_OV_WARN_LIMIT
VIN_UV_WARN_LIMIT
VIN_UV_FAULT_LIMIT
Over-voltage fault limit
N/A
N/A
N/A
N/A
OTP
OTP
OTP
OTP
Over-voltage warning level
Under-voltage warning level
Under-voltage fault level
Start-up Behavior / Power Sequencing
POWER_GOOD_ON
POWER_GOOD_OFF
Output Voltage Sequencing
TON_DELAY
Power good on threshold
Power good off threshold
N/A
N/A
OTP
OTP
Turn-on delay
N/A
N/A
N/A
N/A
N/A
N/A
N/A
OTP
OTP
OTP
OTP
OTP
OTP
OTP
TON_RISE
Turn-on rise time
TON_FAULT_MAX
TOFF_DELAY
Turn-on maximum fault time
Turn-off delay
TOFF_FALL
Turn-off fall time
TOFF_WARN_MAX
VOFF_NOM
Turn-off maximum warning time
Soft-stop off value
Notes:
1. VOUT_MODE is read-only for this device.
The ZSPM1025A supports the LINEAR data format according to the PMBus™ specification. Note that in
accordance with the PMBus™ specification, all commands related to the output voltage are subject to the
VOUT_MODE settings. Note that VOUT_MODE is read-only for the ZSPM1025A.
© 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.
Data Sheet
October 24, 2013
25 of 46