Datasheet

Data Sheet ADP1649
Rev. 0 | Page 21 of 28
Table 13. Output Mode Register (Register 0x04)
Bit Bit Name R/W Description
[7:6] IL_PEAK R/W Inductor peak current-limit setting
00 = 1.75 A
01 = 2.25 A
10 = 2.75 A (default)
11 = reserved
5 STR_LV R/W 0 = edge sensitive
1 = level sensitive (default)
4 FREQ_FB R/W 0 = frequency foldback to 1.5 MHz not allowed (default)
1 = frequency foldback to 1.5 MHz allowed
3 OUTPUT_EN R/W 0 = output off (default)
1 = output on
2
STR_MODE R/W
0 = software strobe mode (software flash occurs when output is enabled in flash mode)
1 = hardware strobe mode (the STROBE pin must go high for flash) (default)
[1:0] LED_MOD R/W Configures LED output mode
00 = standby mode (default)
01 = voltage output mode, VOUT = 5 V
10 = assist light mode
11 = flash mode
Table 14. Fault Information Register (Register 0x05)
Bit Bit Name R/W Description
7
FL_OVP
R
0 = no fault (default)
1 = overvoltage fault
6 FL_SC R 0 = no fault (default)
1 = short-circuit fault
5 FL_OT R 0 = no fault (default)
1 = overtemperature fault
4 FL_TO R 0 = no fault (default)
1 = timeout fault
3 FL_TX1 R 0 = no TxMASK1 operation mode during last flash (default)
1 = TxMASK1 operational mode occurred during last flash
2
FL_IO2 R
If GPIO2 is configured as TxMASK2
0 = no TxMASK2 operation mode during last flash (default)
1 = TxMASK2 operational mode occurred during last flash
If GPIO2 is configured as ILED
0 = no fault (default)
1 = indicator LED fault
1 FL_IL R 0 = no fault (default)
1 = inductor peak current-limit fault
0 FL_IDC R 0 = programmed dc current limit is not hit (default)
1 = programmed dc current limit is hit