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TLV840MAPL36DBVRQ1
Texas Instruments
IC SUPERVISOR 1 CHANNEL SOT23-5
6158 Pcs New Original In Stock
Supervisor Push-Pull, Totem Pole 1 Channel SOT-23-5
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Minimum 1
5.0 / 5.0
- (226 Ratings)
TLV840MAPL36DBVRQ1
Product Overview
10414230
DiGi Electronics Part Number
TLV840MAPL36DBVRQ1-DGManufacturer
Texas Instruments
TLV840MAPL36DBVRQ1
Description
IC SUPERVISOR 1 CHANNEL SOT23-5Inventory
6158 Pcs New Original In Stock
Supervisor Push-Pull, Totem Pole 1 Channel SOT-23-5
Quantity
Minimum 1
Minimum 1
Purchase and inquiry
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TLV840MAPL36DBVRQ1 Technical Specifications
Category
Power Management (PMIC), Supervisors
Packaging
Tape & Reel (TR)
Series
-
Product Status
Active
DiGi-Electronics Programmable
Not Verified
Type
Simple Reset/Power-On Reset
Number of Voltages Monitored
1
Voltage - Threshold
3.6V
Output
Push-Pull, Totem Pole
Reset
Active Low
Reset Timeout
40µs Typical
Operating Temperature
-40°C ~ 125°C (TA)
Grade
Automotive
Qualification
AEC-Q100
Mounting Type
Surface Mount
Package / Case
SC-74A, SOT-753
Supplier Device Package
SOT-23-5
Base Product Number
TLV840
Datasheet & Documents
HTML Datasheet
TLV840MAPL36DBVRQ1-DG
Environmental & Export Classification
RoHS Status
Not applicable
Moisture Sensitivity Level (MSL)
1 (Unlimited)
ECCN
EAR99
HTSUS
8542.39.0001
Additional Information
Other Names
296-TLV840MAPL36DBVRQ1TR
Standard Package
3,000
Reviews
5.0/5.0-(Show up to 5 Ratings)
грудня 02, 2025
商品包裝很結實，沒有破損，整體購物體驗非常棒！
грудня 02, 2025
発送がとても迅速で、受け取りまでスムーズに進みました。便利なサービスに満足です。
грудня 02, 2025
I feel confident recommending DiGi Electronics because of their reliable products and caring service.
грудня 02, 2025
Their logistics and support services are truly outstanding.
грудня 02, 2025
DiGi Electronics has a robust supply chain that keeps their inventory well-stocked, meeting all our demand cycles.
грудня 02, 2025
Their after-sales response was quick and solution-focused.
грудня 02, 2025
DiGi Electronics' dedicated support team responds swiftly to any inquiries, demonstrating their commitment to customer service.
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Frequently Asked Questions (FAQ)
What are the key reliability risks when using the TLV840MAPL36DBVRQ1 in an automotive under-hood application, and how can I mitigate them despite its AEC-Q100 qualification?
Although the TLV840MAPL36DBVRQ1 is AEC-Q100 qualified and rated for -40°C to 125°C operation, prolonged exposure to high ambient temperatures near engine compartments can accelerate electromigration and degrade long-term stability of the internal bandgap reference. To mitigate this, ensure adequate PCB copper pour for thermal dissipation, avoid placing the device near high-heat sources like power MOSFETs, and validate reset threshold accuracy across the full temperature range during system-level testing—especially during cold-crank and hot-soak scenarios common in automotive environments.
Can I safely replace a MAX809T (3.6V threshold, active-low push-pull) with the TLV840MAPL36DBVRQ1 in an existing 12V industrial control board design without modifying the reset timing circuitry?
Yes, the TLV840MAPL36DBVRQ1 is a functional drop-in replacement for the MAX809T in most cases, as both offer a 3.6V threshold, active-low push-pull output, and SOT-23-5 packaging. However, the TLV840MAPL36DBVRQ1 has a much faster typical reset timeout of 40µs compared to the MAX809T’s 240ms delay. This means your downstream microcontroller may receive a reset signal too briefly to properly initialize. Verify that your MCU’s reset pulse width requirement is satisfied; if not, add an external RC delay or switch to a version with integrated timeout (e.g., TLV841 series) to avoid erratic boot behavior.
How does the totem-pole push-pull output of the TLV840MAPL36DBVRQ1 impact noise immunity and signal integrity in a high-EMI environment like a motor drive system, compared to open-drain supervisors?
The totem-pole push-pull output of the TLV840MAPL36DBVRQ1 provides faster edge rates and stronger drive capability than open-drain types, which improves noise margin but increases susceptibility to ground bounce and EMI coupling in high-dV/dt environments like motor inverters. To maintain signal integrity, route the reset line away from high-current traces, use a ground guard trace, and consider adding a small series resistor (10–100Ω) near the output to dampen ringing. Unlike open-drain devices, you cannot wire-OR multiple reset signals without additional logic—so if system-level fault aggregation is needed, use a dedicated supervisor with open-drain output instead.
Is it safe to operate the TLV840MAPL36DBVRQ1 with a supply voltage that dips below the 3.6V threshold during brownout conditions, and what happens to the output state during such events?
The TLV840MAPL36DBVRQ1 is designed to assert a valid active-low reset when VCC falls below the 3.6V threshold, including during slow brownouts. However, if VCC drops close to the minimum specified operating voltage (typically ~1.8V), the internal circuitry may not guarantee a clean output state—leading to potential glitches or metastability. To prevent unintended MCU resets or lockups, ensure your system power supply recovers quickly or implement a secondary hold-up capacitor (e.g., 10–100µF low-ESR) on the supervisor’s VCC pin. Always validate behavior with worst-case load transients and input ramp rates below 1V/ms.
What layout considerations are critical when placing the TLV840MAPL36DBVRQ1 on a densely populated automotive PCB to avoid false resets due to supply noise or crosstalk?
To prevent false resets, place the TLV840MAPL36DBVRQ1 as close as possible to the monitored IC’s VCC pin, with a low-inductance connection. Use a dedicated 100nF ceramic decoupling capacitor mounted adjacent to the device’s VCC and GND pins—avoid sharing vias with noisy digital circuits. Since the SOT-23-5 package has limited pin spacing, ensure solder mask definition prevents bridging, especially under high-vibration conditions. Additionally, route the reset output away from switching nodes (e.g., buck converter SW pins) and analog sensor lines to minimize capacitive coupling. Following these practices reduces the risk of nuisance resets in EMI-heavy automotive subsystems like ADAS or infotainment.
Quality Assurance (QC)
DiGi ensures the quality and authenticity of every electronic component through professional inspections and batch sampling, guaranteeing reliable sourcing, stable performance, and compliance with technical specifications, helping customers reduce supply chain risks and confidently use components in production.
TLV840MAPL36DBVRQ1 CAD Models
Texas Instruments TLV840MAPL36DBVRQ1 PCB symbols & footprints
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