MAX5934, MAX5934A：Positive High-Voltage, Hot-Swap Controllers with Selectable Fault Management and Status Polarity

The MAX5934/MAX5934A are fully integrated hot-swap controllers for +9V to +80V (MAX5934A) positive supply rails. The MAX5934 is optimized for +33V to +80V power-supply rails. These devices allow for the safe insertion and removal of circuit cards into a live backplane without causing glitches on the backplane power-supply rail. The MAX5934/MAX5934A feature a programmable analog foldback current limit, programmable undervoltage lockout, and programmable output- voltage slew rate through an external n-channel MOSFET. In addition, if these devices remain in current limit for more than a programmable time, the external n-channel MOSFET latches off. The MAX5934/MAX5934A feature pin-selectable PWRGD_ assertion polarity (active low or active high) and pin-selectable fault management (latched or autoretry). Other features include automatic restart after a circuit-breaker fault, selectable duty-cycle (DC) options, and thermal-shutdown mode for overtemperature protection. The MAX5934/MAX5934A operate in the extended (-40°C to +85°C) temperature range and are available in a 16-pin QSOP package.

Key Features

Provides Safe Hot Swap for +9V to +80V Power Supplies (MAX5934A)
Safe Board Insertion and Removal from a Live Backplane
Pin-Selectable Active-Low or Active-High Power-Good Output
Pin-Selectable Latched or Autoretry Fault Management
Programmable Foldback Current Limiting
High-Side Drive for an External n-Channel MOSFET
Built-In Thermal Shutdown
Undervoltage Lockout (UVLO)
Pin-Selectable Duty-Cycle Options (0.94%, 1.88%, 3.75%)

MAX5934, MAX5934A: Typical Application Circuit

Applications/Uses

24V/48V Industrial/Alarm Systems
Electronic Circuit Breakers
Hot Board Insertion
Industrial High-Side Switch/Circuit Breakers
Network Routers and Switches

DataSheet

title	Download file
MAX5934-MAX5934A Data Sheet	MAX5934-MAX5934A.pdf

Parametrics

Part Number	V_IN (V)	V_IN (V)	Circuit Breaker/ Current Limit	Fault Condition Control	Channels	Positive/Negative Rail	Package/Pins	Budgetary Price
Part Number	min	max	Circuit Breaker/ Current Limit	Fault Condition Control	Channels	Positive/Negative Rail	Package/Pins	See Notes
MAX5934	9	80	Current Limit	Programmable	1	Positive	QSOP/16	$2.66 @1k

Quality and Environmental Data

MAX5934A.pdf

Ordering Information

Part Number	Status	Recommended Replacement	Package	Temp	RoHS
MAX5934AEEE	No Longer Available	MAX5934AEEE+	QSOP,;16 pin;30.9 mm²	-40°C to +85°C	No
MAX5934AEEE+	Active		QSOP,;16 pin;30.9 mm²	-40°C to +85°C	Lead Free
MAX5934AEEE+T	Active		QSOP,;16 pin;30.9 mm²	-40°C to +85°C	Lead Free
MAX5934AEEE-T	No Longer Available	MAX5934AEEE+T	QSOP;16 pin	-40°C to +85°C	See data sheet
MAX5934EEE	No Longer Available	MAX5934EEE+	QSOP,;16 pin;30.9 mm²	-40°C to +85°C	No
MAX5934EEE+	Active		QSOP,;16 pin;30.9 mm²	-40°C to +85°C	Lead Free
MAX5934EEE+T	Active		QSOP,;16 pin;30.9 mm²	-40°C to +85°C	Lead Free
MAX5934EEE-T	No Longer Available	MAX5934EEE+T	QSOP;16 pin	-40°C to +85°C	See data sheet