X55060 Datasheet, PDF (8/23 Pages) Intersil Corporation – Dual Voltage Monitor with Integrated System Battery Switch and EEPROM

Figure 5. Sample V_TRIP Circuit
V_TRIP
Adj.
V_P
Adjust
Run
X55060
X55060
CS
V_CC
SO
RESET
WP
SCK
V_SS
SI
4.7K
RESET
µC
SCK
SI
SO
CS
Figure 6. V_TRIP Programming Sequence Flow Chart
V_TRIPX Programming
No
Desired
V_TRIPX <
Present Value?
YES
Execute
V_TRIPX Reset Sequence
New V_X applied =
Old V_X applied + | Error |
NO
Set
V_X = desired V_TRIPX
Execute
Set Higher V_TRIPX Sequence
Apply V_CC and Voltage
> Desired V_TRIPX to V_X
Decrease V_X
Vx = VxMON
Note: X = 1, 2
Let: MDE = Maximum Desired Error
MDE⁺
Desired Value
MDE^–
Acceptable
Error Range
Error = Actual - Desired
New V_X applied =
Old V_X applied - | Error |
Execute Reset V_TRIPX
Sequence
Error < MDE^–
Output Switches?
YES
Actual V_{TRIPX -}
Desired ^VTRIPX
Error > MDE⁺
| Error | < | MDE |
DONE
8
FN8133.0
March 28, 2005