Rainbow-electronics MAX5970 Manual do Utilizador descarregar pdf (Página 11)

0V to 16V, Dual Hot-Swap Controller with 10-Bit

Current and Voltage Monitor and 4 LED Drivers

MAX5970

______________________________________________________________________________________ 11

Block Diagram

MAX5970

DREG

SCOMP

FCOMP

ATTENUATOR

CS AMP

MUX

OSCILLATOR

UVLO

LDO IREF

IDEF

ALERT

SCL

SDA

BIAS

PROT

POL

ON_

MODE

IRNG_

SENSE_

MON_

GATE_

GND_

REG

RETRY

HWEN

LED_

PG_

FAULT_

2MHz

µA

FROM

CONFIGURATION

REGISTERS

DAC SELECT

REF

GATE

PULLDOWN

CHARGE

PUMP

VOLTAGE

SCALING

10-BIT ADC

(SAR)

CIRCULAR

BUFF

DGNDAGND

LOGIC

BLOCK

1 2 ... 6 7 8 9 10 11 12 13 14 15 16 ... 40 41

EVALUATION KIT 1
AVAILABLE 1
ELECTRICAL CHARACTERISTICS 2
ABSOLUTE MAXIMUM RATINGS 2
SUPPLY CURRENT 5
GATE-DRIVE VOLTAGE vs. V 5
= 3.3V, T 6
Grouping Hot-Swap Channels 14
Circuit-Breaker Protection 16
Digital Current Monitoring 20
Power-Good Outputs 23
Peak-Detection Registers 29
Circular Buffer 31
Force-On Function 33
Fault Logging and Indications 33
ALERT Output 35
LED Set Registers 35
Table 53. LED State Register 36
Figure 7. SMBUS/I 38
C Protocols 38
Figure 8. Acknowledge 39
41 41

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