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MIC5157BM-TR
Electronics Part Number
MIC5157BM-TR-WXManufacturer
Monolithic Power Systems
MIC5157BM-TR
Description
Single Output Linear Regulator Controller IC, 14SOICInventory
296 Pcs New Original In Stock
14-SOIC linear regulator controller: positive fixed 1 output; drives external pass transistor for stable high-current voltage regulation; suitable for industrial power and telecom systems.
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Basic cost: USD 70.00
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Technical Specifications
Category
Power Management (PMIC), Power Supply Controllers, Monitors
Manufacturer
Monolithic Power Systems
Packaging
-
Operating Temperature
-40°C ~ 125°C (TJ)
Mounting Type
Surface Mount
Package / Case
8-SOIC (0.154", 3.90mm Width)
Series
-
Base Product Number
MP6910
Product Status
Active
Current - Supply
2.6 mA
Applications
Distributed, Industrial Power Systems
Voltage - Input
-
Voltage - Supply
8V ~ 24V
Supplier Device Package
8-SOIC
DiGi-Electronics Programmable
Not Verified
Data Sheet Document (D)
Datasheets
Download MP6910AGS-Z Product Specification (PDF)
HTML Datasheet
MP6910AGS-Z-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
2 (1 Year)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8542.39.0001
Additional Information
Standard Package
2,500
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Frequently Asked Questions (FAQ)
When replacing the MP6910AGS-Z in a high-efficiency industrial DC-DC converter, how does it compare
The MP6910AGS-Z offers superior fast turn-off intelligence with adaptive blanking time, which minimizes reverse current during dead time—especially critical under light-load or discontinuous conduction mode (DCM). In contrast, the NCP349MNTBG uses a fixed delay, which can lead to increased body diode conduction and efficiency loss at light loads. For applications requiring precise control over shoot-through and reverse recovery, the MP6910AGS-Z provides better reliability and efficiency, particularly in distributed power systems with variable loading profiles.
Can the MP6910AGS-Z safely operate in a 24V industrial bus environment with frequent voltage transie
Yes, the MP6910AGS-Z supports a supply voltage range of 8V to 24V, but sustained exposure to 30V transients exceeds its absolute maximum rating. To ensure reliability, add a TVS diode (e.g., SMAJ33A) close to the VCC pin and use a series current-limiting resistor (10–47Ω) to clamp energy during surges. Additionally, ensure the PCB layout minimizes loop inductance on the gate drive and power paths to reduce ringing. Without these protections, voltage overshoots can degrade the internal logic or cause latch-up, especially at elevated temperatures up to 125°C.
What are the key layout considerations when designing with the MP6910AGS-Z in an 8-SOIC package to m
Due to the MP6910AGS-Z’s sensitivity to high-frequency noise on the gate drive and feedback nodes, follow a compact, low-inductance layout: keep the gate drive traces short and away from high di/dt paths (e.g., switch node), use a solid ground plane under the IC, and place the bootstrap capacitor within 5mm of the BST and SW pins. Avoid routing sensitive analog traces (like EN or FB) parallel to power traces. Poor layout can induce parasitic oscillations or false turn-off events, particularly in distributed systems with long cable runs or high EMI.
Is the MP6910AGS-Z a drop-in replacement for the S-8424AAAFT-TB-U in existing designs, and what func
While both devices serve as intelligent rectifiers, the MP6910AGS-Z is not a direct drop-in due to differences in pinout, enable logic thresholds, and turn-off timing algorithms. The S-8424AAAFT-TB-U has a lower quiescent current but lacks the adaptive fast turn-off feature of the MP6910AGS-Z, which improves efficiency at high switching frequencies. Before substitution, verify compatibility of the EN pin logic levels, ensure the gate drive strength matches your MOSFET’s Qg, and re-evaluate thermal performance—especially if operating near the -40°C to 125°C range—since the MP6910AGS-Z may dissipate more power under fast switching conditions.
How does the MP6910AGS-Z handle startup and shutdown sequencing in multi-rail industrial systems, an
The MP6910AGS-Z lacks built-in power sequencing logic, so asynchronous power-up can cause unintended conduction through the external MOSFET body diode, leading to inrush current or reverse power flow. To mitigate this, implement a soft-start circuit on the upstream converter or use a supervisor IC to delay enable until the supply rail is stable. Additionally, ensure the input capacitor is sized to handle initial charge transients. In distributed systems with multiple MP6910AGS-Z controllers, uncoordinated startups may cause cross-conduction between rails—using a centralized enable signal or RC delay networks per channel reduces this risk.
When replacing the MP6910AGS-Z in a high-efficiency industrial DC-DC converter, how does it compare
The MP6910AGS-Z offers superior fast turn-off intelligence with adaptive blanking time, which minimizes reverse current during dead time—especially critical under light-load or discontinuous conduction mode (DCM). In contrast, the NCP349MNTBG uses a fixed delay, which can lead to increased body diode conduction and efficiency loss at light loads. For applications requiring precise control over shoot-through and reverse recovery, the MP6910AGS-Z provides better reliability and efficiency, particularly in distributed power systems with variable loading profiles.
Can the MP6910AGS-Z safely operate in a 24V industrial bus environment with frequent voltage transie
Yes, the MP6910AGS-Z supports a supply voltage range of 8V to 24V, but sustained exposure to 30V transients exceeds its absolute maximum rating. To ensure reliability, add a TVS diode (e.g., SMAJ33A) close to the VCC pin and use a series current-limiting resistor (10–47Ω) to clamp energy during surges. Additionally, ensure the PCB layout minimizes loop inductance on the gate drive and power paths to reduce ringing. Without these protections, voltage overshoots can degrade the internal logic or cause latch-up, especially at elevated temperatures up to 125°C.
What are the key layout considerations when designing with the MP6910AGS-Z in an 8-SOIC package to m
Due to the MP6910AGS-Z’s sensitivity to high-frequency noise on the gate drive and feedback nodes, follow a compact, low-inductance layout: keep the gate drive traces short and away from high di/dt paths (e.g., switch node), use a solid ground plane under the IC, and place the bootstrap capacitor within 5mm of the BST and SW pins. Avoid routing sensitive analog traces (like EN or FB) parallel to power traces. Poor layout can induce parasitic oscillations or false turn-off events, particularly in distributed systems with long cable runs or high EMI.
Is the MP6910AGS-Z a drop-in replacement for the S-8424AAAFT-TB-U in existing designs, and what func
While both devices serve as intelligent rectifiers, the MP6910AGS-Z is not a direct drop-in due to differences in pinout, enable logic thresholds, and turn-off timing algorithms. The S-8424AAAFT-TB-U has a lower quiescent current but lacks the adaptive fast turn-off feature of the MP6910AGS-Z, which improves efficiency at high switching frequencies. Before substitution, verify compatibility of the EN pin logic levels, ensure the gate drive strength matches your MOSFET’s Qg, and re-evaluate thermal performance—especially if operating near the -40°C to 125°C range—since the MP6910AGS-Z may dissipate more power under fast switching conditions.
How does the MP6910AGS-Z handle startup and shutdown sequencing in multi-rail industrial systems, an
The MP6910AGS-Z lacks built-in power sequencing logic, so asynchronous power-up can cause unintended conduction through the external MOSFET body diode, leading to inrush current or reverse power flow. To mitigate this, implement a soft-start circuit on the upstream converter or use a supervisor IC to delay enable until the supply rail is stable. Additionally, ensure the input capacitor is sized to handle initial charge transients. In distributed systems with multiple MP6910AGS-Z controllers, uncoordinated startups may cause cross-conduction between rails—using a centralized enable signal or RC delay networks per channel reduces this risk.
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Sep 15 2026
