Rainbow-electronics MAX5961 Bedienungsanleitung Seite 2
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MAX5961
0 to 16V, Quad, Hot-Swap Controller
with 10-Bit Current and Voltage Monitor
2 _______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
(V
IN
= 2.7V to 16V, T
A
= -40°C to +85°C, unless otherwise noted. Typical values are at V
IN
= 3.3V and T
A
= +25°C.) (Note 1)
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
IN, SENSE_, MON_, GATE_ to AGND ....................-0.3V to +30V
PG_, ON_, FAULT_, SDA, SCL, ALERT,
REG, DREG, POL, RETRY, HWEN .........................-0.3V to +6V
DREG to REG ........................................................-0.3V to +0.3V
ILIM_, MODE, PROT, A0, A1 ....................-0.3V to (V
REG
+ 0.3V)
GATE_ to MON_ (same channel) .............................-0.3V to +6V
SENSE_ to MON_ (same channel) ...........................-0.3V to +6V
GND1, GND2, GND3, GND4, DGND to AGND.....-0.3V to +0.3V
SDA, ALERT Current ...........................................-20mA to 50mA
GATE_, MON_, GND_ Current ..........................................500mA
Input/Output Current (all other pins) ...................................20mA
Continuous Power Dissipation (T
A
= +70°C)
For Single-Layer Board
48-Pin Thin QFN (derate 27.8mW/°C above +70°C)...2222.2mW
For Multilayer Board
48-Pin Thin QFN (derate 40mW/°C above +70°C) ......3200mW
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature......................................................+150°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Operating Voltage Range V
IN
2.7 16 V
Hot-Swap Voltage Range V
S
016V
Undervoltage Lockout V
UVLO
V
IN
rising 2.7 V
Undervoltage Lockout Hysteresis V
UVLO
,
HYST
V
IN
falling 100 mV
Supply Current I
CC
f
SCL
= 400kHz, all 4 channels enabled 4 8 mA
Internal LDO Output Voltage V
REG
2.7V < V
IN
< 16V 2.49 2.9 V
ADC PERFORMANCE
Resolution 10 Bits
Maximum Differential Nonlinearity DNL 1 LSB
Maximum Integral Nonlinearity INL 1 LSB
ADC Total Monitoring Cycle Time
Four voltage and four current–sense
conversions
95 100 112 µs
16V range 15.25 15.43 15.60
8V range 7.655 7.735 7.805
4V range 3.835 3.870 3.905
MON_ LSB Voltage
2V range 1.915 1.935 1.955
mV
16V range 13 28 41
8V range 7 16 22
4V range 5 9 13
MON_ Code 000H to 001H
Transition Voltage
2V range 2 5 9
mV
CURRENT MONITORING FUNCTION
MON_, SENSE_ Input Range 0 16 V
SENSE_ Input Current V
SENSE_
, V
MON_
= 16V 32 75 µA
MON_ Input Current V
SENSE_
, V
MON_
= 16V 180 280 µA
25mV range
24.34
50mV range 48.39
Current Measurement Offset LSB
Voltage
100mV range 96.77
mV
- General Description 1
- Applications 1
- Features 1
- Pin Configuration 1
- Ordering Information 1
- ABSOLUTE MAXIMUM RATINGS 2
- ELECTRICAL CHARACTERISTICS 2
- Pin Description 9
- Pin Description (continued) 10
- Functional Diagram 11
- Typical Operating Circuit 12
- Typical Application Circuit 13
- Detailed Description 14
- Grouping Hot-Swap Channels 16
- Circuit-Breaker Protection 19
- MAX5961 fig02 20
- Digital Current Monitoring 23
- Power-Good Outputs 26
- Digital Undervoltage and 27
- Using the Voltage and 32
- Circular Buffer 34
- Autoretry or Latched-Off 35
- Fault Management 35
- Force-On Function 35
- Fault Logging and Indications 36
- FAULT_ Outputs 37
- C Serial Interface 38
- Bit Transfer 39
- START and STOP Conditions 39
- Early STOP Conditions 39
- REPEATED START Conditions 39
- Figure 8. I 40
- C Protocols 40
- Acknowledge 41
- Send Byte 41
- Write Byte 41
- Chip Information 42
- Package Information 42
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