Automotive high volt comparator with push-pull output and shutdown
Product details
Parameters
Package | Pins | Size
Features
- AEC-Q100 qualified with the following results:
- Device temperature grade 1: –40°C to +125°C ambient operating temperature
- Device HBM ESD Classification Level 2
- Device CDM ESD Classification Level C6
- 3.3 V to 40 V supply range
- Low quiescent current: 135 µA
- High peak current push-pull output
- Rail-to-rail inputs with phase reversal protection
- Built-In hysteresis: 14mV
- 250ns propagation delay
- Low input offset voltage: 500 µV
- Shutdown with high-z output
- Power-On Reset (POR)
- SOT-23-6 package
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Description
The TLV1805-Q1 high voltage comparator offers the unique combination of wide supply range, push-pull output, rail-to-rail inputs, low quiescent current, shutdown capability and fast output response. All these features make this comparator well-suited for applications that require sensing at the positive or negative voltage rails such as reverse current protection for a smart diode controller, overcurrent sensing, and overvoltage protection circuits where the push-pull output stage is used to drive the gate of a p-channel or n-channel MOSFET switch.
The high peak current push-pull output stage, which is unique for high-voltage comparators, offers the advantage of allowing the output to actively drive the load to either supply rail with a fast edge rate. This is especially valuable in applications where a MOSFET gate needs to be driven high or low quickly in order to connect or disconnect a host from an unexpected high voltage supply. Additional features such as low input offset voltage, low input bias currents and High-Z shutdown make the TLV1805-Q1 flexible enough to handle a broad range of applications. Power-On reset prevents false outputs at power-up.
The TLV1805-Q1 is AEC-Q100 qualified in a 6-pin SOT-23 package and is specified for operation across the automotive Grade 1 temperature range of –40°C to +125°C.
Technical documentation
Type | Title | Date | |
---|---|---|---|
* | Datasheet | TLV1805-Q1 40V, Rail-to-Rail Input, Push-Pull Output, High Voltage Automotive Comparator with Shutdown datasheet (Rev. B) | Jan. 30, 2020 |
Functional safety information | TLV1805-Q1 Functional Safety, FIT Rate and Failure Mode Distribution | Mar. 17, 2020 | |
Application note | Overcurrent latch circuit | Aug. 09, 2019 | |
Application note | Using Comparators in Reverse Current Applications (Rev. A) | Jun. 11, 2019 | |
Application note | TLV1805-Q1 EVM ISO Testing Results | Feb. 22, 2019 | |
Application note | Overvoltage protection with comparator circuit | Jan. 17, 2019 | |
User guide | TLV1805-Q1EVM Users Manual | Aug. 26, 2018 | |
Technical articles | Op Amps used as Comparators—is it okay? | Mar. 14, 2012 |
Design & development
For additional terms or required resources, click any title below to view the detail page where available.Hardware development
Description
Features
- Discrete Comparator Based Solution
- Provides reverse current and reverse battery protection to load
- Clamps reverse voltage within 1us
- Demonstrates both P and N channel MOSFET Topologies
- Internal or External Oscailltor Options for N-Ch Charge Pump
- Withstands ISO 16750-2 Waveforms
Design tools & simulation
Features
- Leverages Cadence PSpice Technology
- Preinstalled library with a suite of digital models to enable worst-case timing analysis
- Dynamic updates ensure you have access to most current device models
- Optimized for simulation speed without loss of accuracy
- Supports simultaneous analysis of multiple products
- (...)
Reference designs
Design files
-
download PMP21953 BOM.pdf (55KB) -
download PMP21953 Assembly Drawing.pdf (155KB) -
download PMP21953 PCB.pdf (556KB) -
download PMP21953 CAD Files.zip (639KB) -
download PMP21953 Gerber.zip (339KB)
Design files
-
download TIDA-020023 BOM.pdf (93KB) -
download TIDA-020023 Assembly Drawing.pdf (83KB) -
download TIDA-020023 PCB.pdf (345KB) -
download TIDA-020023 CAD Files.zip (2464KB) -
download TIDA-020023 Gerber.zip (198KB)
Design files
-
download TIDA-050008 BOM.pdf (103KB) -
download TIDA-050008 CAD Files.zip (1210KB) -
download TIDA-050008 Assembly Drawing.pdf (189KB) -
download TIDA-050008 PCB.pdf (1083KB) -
download TIDA-050008 Gerber.zip (561KB)
CAD/CAE symbols
Package | Pins | Download |
---|---|---|
SOT-23 (DBV) | 6 | View options |
Ordering & quality
- RoHS
- REACH
- Device marking
- Lead finish/Ball material
- MSL rating/Peak reflow
- MTBF/FIT estimates
- Material content
- Qualification summary
- Ongoing reliability monitoring
Support & training
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