ALM
®
12V7 s-Series User’s Guide
406014-02EN, Rev. 05
© 2016 NEC Energy Solutions, Inc. All rights reserved.
Page 46 of 49
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reproduced, retransmitted or redistributed, either in whole or in part, for any reason without NECES’ prior written consent.
Appendix A
Appendix A: Operational Protection Hardware Circuitry
Operational Protection Hardware Circuitry
lists the ALM 12V7 s-Series batteries Operational Protection matrix covering
hardware circuitry for voltage and temperature. The following list defines abbreviations used
in
•
FETs
: Field-Effect Transistors
•
OTP
: Over-Temperature Protection
•
OVP
: Over-Voltage Protection
•
UVP
: Under-Voltage Protection
•
UVLO
: Under-Voltage Lock-Out
Table 18 ALM 12V7 s-Series Operational Protection Parameters
Parameter
Set Value
ALM 12V7s
Set Value
ALM 12V7s HP
Clear Value
ALM 12V7s
Clear Value
ALM 12V7s HP
Applies to
OVP
>4.1 V
>4.1 V
<4.1 V
<4.1 V
Any cell
OVP-2
>4.25 V
>4.25 V
<4.25 V
<4.25 V
Any cell
UVP
2.00 V
2.00 V
>2.50 V
>2.50 V
Any cell
Battery lockout
<.7 V
<.7 V
Never
a
Never
a
Any cell
UVLO mode
7 V (No charger)
7 V (No charger)
7.3 V (With charger)
7.3 V (With charger)
Battery
OTP cell
68 °C
68 °C
63 °C
63 °C
Any cell
OTP-2 cell
80 °C
80 °C
Never
a
Never
a
Any cell
OTP FET
110 °C
110 °C
90 °C
90 °C
FETs
OTP-2 FET
130 °C
130 °C
Never
a
Never
a
FETs
a.
Internal circuitry does not allow this event to clear.
