MAX5970ETX+ Maxim Integrated Products, MAX5970ETX+ Datasheet - Page 12

• Manufacturer Part Number: MAX5970ETX+
• Description: IC CTLR HOT-SWAP DUAL 36TQFN
• Manufacturer: Maxim Integrated Products
• Type: Hot-Swap Controllerr

Specifications of MAX5970ETX+

• Applications: General Purpose, PCI Express
• Internal Switch(s): No
• Voltage - Supply: 2.7 V ~ 16 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 36-WFQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

0V to 16V, Dual Hot-Swap Controller with 10-Bit
Current and Voltage Monitor and 4 LED Drivers
The MAX5970 includes a set of registers that are
accessed through the I
Table 1a. Register Address Map (Channel Specific)
12
max_chx_mon_msb
adc_chx_mon_msb
min_chx_mon_msb
max_chx_mon_ lsb
adc_chx_mon_ lsb
min_chx_mon_ lsb
max_chx_cs_msb
adc_chx_cs_msb
min_chx_cs_msb
max_chx_cs_ lsb
uv1thr _chx_msb
min_chx_cs_ lsb
uv2thr_chx_msb
ov1thr_chx_msb
adc_chx_cs_lsb
uv1thr_chx_ lsb
uv2thr_chx_ lsb
ov1thr_chx_ lsb
_____________________________________________________________________________________
REGISTER
High 8 bits ([9:2]) of latest current-signal
ADC result
Low 2 bits ([1:0]) of latest current-signal ADC
result
High 8 bits ([9:2]) of latest voltage-signal
ADC result
Low 2 bits ([1:0]) of latest voltage-signal
ADC result
High 8 bits ([9:2]) of current-signal minimum
value
Low 2 bits ([1:0]) of current-signal minimum
value
High 8 bits ([9:2]) of current-signal maximum
value
Low 2 bits ([1:0]) of current-signal maximum
value
High 8 bits ([9:2]) of voltage-signal minimum
value
Low 2 bits ([1:0]) of voltage-signal minimum
value
High 8 bits ([9:2]) of voltage-signal maximum
value
Low 2 bits ([1:0]) of voltage-signal maximum
value
High 8 bits ([9:2]) of undervoltage warning
(UV1) threshold
Low 2 bits ([1:0]) of undervoltage warning
(UV1) threshold
High 8 bits ([9:2]) of undervoltage critical
(UV2) threshold
Low 2 bits ([1:0]) of undervoltage critical
(UV2) threshold
High 8 bits ([9:2]) of overvoltage warning
(OV1) threshold
Low 2 bits ([1:0]) of overvoltage warning
(OV1) threshold
Detailed Description
2
C interface. Some of the registers
DESCRIPTION
are read only and some of the registers are read and write
that are updated to configure the MAX5970 for a specific
operation. See Tables 1a and 1b for the registers map.
CHANNEL 1
0x0A
0x0B
0x0C
0x0D
0x1A
0x1B
0x1C
0x1D
0x00
0x01
0x02
0x03
0x08
0x09
0x0E
0x0F
0x1E
0x1F
CHANNEL 2
0x04
0x05
0x06
0x07
0x10
0x11
0x12
0x13
0x14
0x15
0x16
0x17
0x24
0x25
0x26
0x27
0x28
0x29
VALUE
RESET
0xFF
0x03
0x00
0x00
0xFF
0x03
0x00
0x00
0x00
0x00
0x00
0x00
0xFF
0x03
—
—
—
—
WRITE
READ/
R/W
R/W
R/W
R/W
R/W
R/W
R
R
R
R
R
R
R
R
R
R
R
R