MAX5978ETJ+ Maxim Integrated Products, MAX5978ETJ+ Datasheet - Page 14

• Manufacturer Part Number: MAX5978ETJ+
• Description: Hot Swap & Power Distribution 0-16V HOTSWAP CONTLR W/10BIT CUR VOLT MON
• Manufacturer: Maxim Integrated Products

Specifications of MAX5978ETJ+

• Product: Controllers & Switches
• Supply Voltage (max): 16 V
• Supply Voltage (min): 0 V
• Power Dissipation: 2759 mW
• Operating Temperature Range: - 40 C to + 85 C
• Mounting Style: SMD/SMT
• Supply Current: 2.5 mA
• Package / Case: TQFN-32
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

0 to 16V, Hot-Swap Controller with 10-Bit
Current, Voltage Monitor, and 4 LED Drivers
Table 1b. Register Address Map (General)
Table 2. chxen Register Format
14
Description:
Resister Title:
Register Address:
cbufrd_hibyonly
cbuf_chx_store
peak_log_hold
cbuf_dly_stop
peak_log_rst
LED_ph_pu
REGISTER
mon_range
LED_state
ifast2slow
LED_flash
Bit 7
—
status0
status1
status2
status3
R
dgl_uv
dgl_ov
NAME
chxen
pgdly
fault0
fault1
fault2
fokey
foset
dgl_i
Bit 6
—
R
MON input range setting
Selective enabling of circular buffer
Current threshold fast-to-slow ratio setting
Slow-trip and fast-trip comparators status register
PROT, MODE, and ON inputs status register
Fast-trip threshold maximum range setting bits, from IRNG three-
state input
LATCH, POL, ALERT, and PG status register
Status register for undervoltage detection (warning or critical)
Status register for overvoltage detection (warning or critical)
Status register for overcurrent detection (warning)
Delay setting between MON measurement and PG assertion
Load register with 0xA5 to enable force-on function
Register that enables force-on function
Channel enable bits
OC deglitch enable bits
UV deglitch enable bits
OV deglitch enable bits
Circular buffers readout mode: 8 bit or 10 bit
Circular buffer stop delay; number of samples recorded to the circu-
lar buffer after channel shutdown
Reset control bits for peak-detection registers
Hold control bits for peak-detection registers
LED flash/GPIO enable register
LED phase/weak pullup enable register
LED pins voltage state register (LED pins set open)
Channel enable bits
chxen
0x3B
Bit 5
—
R
Bit 4
DESCRIPTION
—
R
Unused
R/W
Bit 3
Unused
R/W
Bit 2
Bit 1
R/W
EN2
(HEX CODE)
ADDRESS
0x3A
0x3B
0x3C
0x3D
0x18
0x19
0x30
0x31
0x32
0x33
0x34
0x35
0x36
0x37
0x38
0x39
0x3E
0x3F
0x40
0x41
0x42
0x43
0x44
0x45
Bit 0
R/W
EN1
VALUE
RESET
0x00
0x0F
0x0F
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x0F
0x19
0x00
0x00
0x0F
0x00
—
—
—
—
—
RESET
VALUE
READ/
WRITE
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/C
R/C
R/C
—
—
R
R
R
R