MAX34440ETL+ Maxim Integrated Products, MAX34440ETL+ Datasheet - Page 12

• Manufacturer Part Number: MAX34440ETL+
• Description: Supervisory Circuits PMBUS 6-CH POW SUPPLY MANAGER
• Manufacturer: Maxim Integrated Products

Specifications of MAX34440ETL+

• Minimum Operating Temperature: - 40 C
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 2.7 V
• Supply Current (typ): 2.5 mA
• Mounting Style: SMD/SMT
• Maximum Operating Temperature: + 85 C
• Package / Case: TQFN-40
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Note: All pins except V
and reset. After device reset, the weak pullup is removed, and the pin is configured as input or output.
PMBus 6-Channel Power-Supply Manager
12
PIN
39
40
—
NAME
RS+5
RS-5
EP
DD
A0/MUXSEL
, V
CONTROL
SS
FAULT
REG25
REG18
ALERT
MSDA
MSCL
A1/PG
Ground Reference for ADC5 Voltage Measurement
Power-Supply ADC Voltage-Sense Input, Measurement Relative to RS-5
Exposed Pad (Bottom Side of Package). Connect EP to V
SDA
V
SCL
RST
V
V
V
, REG18, REG25, ADC, and the EP are high impedance with a 50µA pullup during device power-up
DD
SS
SS
SS
MAX34440
OSCILLATOR
INTERFACE
INTERFACE
CONTROL
CONTROL
SIGNALS
MASTER
SYSTEM
POWER
SMBus
SMBus
SLAVE
4MHz
VREG
VREG
2.5V
1.8V
RAM
RISC CORE
16-BIT
MAXQ
FLASH
FUNCTION
SENSOR
TEMP
ADC
Pin Description (continued)
MODULATOR
ENABLES
POWER-
SUPPLY
OUTPUT
PULSE-
WIDTH
SS
.
PWM0
PWM1
PWM2
PWM3
PWM4
PWM5
PSEN0
PSEN1
PSEN2
PSEN3
PSEN4
PSEN5
RS+0
RS-0
RS+1
RS-1
RS+2
RS-2
RS+3
RS-3
RS+4
RS-4
RS+5
RS-5
Block Diagram