MAX14588 Datasheet, PDF (1/15 Pages) Maxim Integrated Products – 1A Adjustable Overcurrent and Overvoltage Protector with High Accuracy

MAX14588
EVALUATION KIT AVAILABLE
1A Adjustable Overcurrent and Overvoltage
Protector with High Accuracy
General Description
The MAX14588 adjustable overvoltage and overcurrent
protection device is ideal for protecting systems against
positive and negative input voltage faults up to ±40V, and
feature low 190mΩ (typ) R_ON integrated FETs.
The adjustable overvoltage range is between 6V and 36V,
while the adjustable undervoltage range is between 4.5V
and 24V. The overvoltage lockout (OVLO) and undervoltage
lockout (UVLO) thresholds are set using optional external
resistors. The factory preset internal OVLO threshold is 33V
(typ), and the preset internal UVLO threshold is 19V (typ).
The MAX14588 also features programmable current-limit
protection up to 1A. The device can be set for autoretry,
latch-off, or continuous fault response when an overcur-
rent event occurs. Once current reaches the threshold, the
MAX14588 turns off after 21ms (typ) blanking time, and
stays off during the retry period when set to autoretry mode.
The device latches off after the blanking time when set to
latch-off mode. The device limits the current continuously
when set to continuous mode. The MAX14588 also features
reverse current and thermal shutdown protection.
The MAX14588 is available in a small, 16-pin (3mm x 3mm)
TQFN package. The MAX14588 operates over the -40°C to
+125°C extended temperature range.
Ordering Information appears at end of data sheet.
For related parts and recommended products to use with this part, refer
to www.maximintegrated.com/MAX14588.related.
Typical Application Circuit
VPOWER
0.47µF
SYSTEM
POWER
SUPPLY
100kΩ
HVEN
GND
R3 R1
OPTIONAL FOR
HIGH INPUT
SURGE
APPLICATIONS
R4 R2
Benefits and Features
● Robust Industrial Power Protection
• Wide Input Supply Range: +4.5V to +36V
• Negative Input Tolerance to -36V
• Low R_ON 190mΩ (typ)
• Reverse Current Flow Control Input
• Thermal Overload Protection
• Extended -40ºC to +125ºC Temperature Range
● Flexible Design Options
• Adjustable OVLO and UVLO Thresholds
• Programmable Forward-Current Limit: 0.15A to 1A
• Programmable Overcurrent Fault Response:
Autoretry, Latch-Off, and Continuous
• Dual Enable Inputs: EN and High Voltage HVEN
● Saves Space
• 16-Pin, 3mm x 3mm, TQFN Package
Applications
● Sensor Systems
● Condition Monitoring
● Factory Sensors
● Process Analytics
● Process Instrumentation
● Weighing and Batching Systems
IN
OUT
IN
OUT
RIEN
EN
MAX14588
UVLO
OVLO
SETI
HVEN
FLAG
CLHS
CLTS1
CLTS2
CLTS_MODE
GND
4.7µF
VIO
SYSTEM
19-6551; Rev 0; 12/12