Datasheet

LM10506
SNVS729E –SEPTEMBER 2011–REVISED MARCH 2013 www.ti.com
Addr Reg Name Bit R/W Default Description Notes
7 R/W 0 Comp_hyst[0] Doubles Comparator hysteresis
Programmable range of 2.0V to 4.0V, step
6 R/W 0 Comp_thres[5]
size = 31.75 mV
5 R/W 1 Comp_thres[4]
Comparator Threshold reset default: 0x19
Comparator
4 R/W 1 Comp_thres[3]
0x0B
Control
3 R/W 0 Comp_thres[2] Comp_hyst=1 → min 80 mV hysteresis
2 R/W 0 Comp_thres[1] Comp_hyst=0 → min 40 mV hysteresis
1 R/W 1 Comp_thres[0]
0 R/W 1 COMPEN Comparator enable
7 —
6 —
5 —
4 R/W 0 LDO OK
0x0C Interrupt Enable
3 R/W 0 Buck 3 OK
2 R/W 0 Buck 2 OK
1 R/W 0 Buck 1 OK
0 R/W 1 Comparator Interrupt comp event
7 —
6 —
5 —
4 R LDO OK LDO is greater than 90% of target
0x0D Interrupt Status
3 R Buck 3 OK Buck 3 is greater than 90% of target
2 R Buck 2 OK Buck 2 is greater than 90% of target
1 R Buck 1 OK Buck 1 is greater than 90% of target
0 R Comparator Comparator output is high
7 —
6 —
5 —
4 —
0x0E MISC Control
3 —
2 —
1 R/W 0 LDO Sleep Mode LDO goes into extra power save mode
IRQ_polarity=0→Active low IRQ
0 R/W 0 IRQ Polarity
IRQ_polarity=1→Active high IRQ
ADDR 0x07& 0x08: Buck 1 and Buck 2 Voltage Code and V
OUT
Level Mapping
Voltage code Voltage Voltage code Voltage
0x00 1.10 0x20 2.70
0x01 1.15 0x21 2.75
0x02 1.20 0x22 2.80
0x03 1.25 0x23 2.85
0x04 1.30 0x24 2.90
0x05 1.35 0x25 2.95
0x06 1.40 0x26 3.00
0x07 1.45 0x27 3.05
0x08 1.50 0x28 3.10
0x09 1.55 0x29 3.15
0x0A 1.60 0x2A 3.20
0x0B 1.65 0x2B 3.25
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