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Product Detailed Parameters
- Description：AUTOMOTIVE VOLTAGE REGULATORS
- Series：S-19999
- Mfr：ABLIC Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Output Type：Transistor Driver
- Function：Step-Up
- Output Configuration：Positive
- Topology：Boost
- Number of Outputs：1
- Output Phases：1
- Voltage - Supply (Vcc/Vdd)：3V ~ 36V
- Frequency - Switching：400kHz
- Duty Cycle (Max)：99%
- Synchronous Rectifier：No
- Clock Sync：No
- Serial Interfaces：-
- Control Features：Enable
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Package / Case：8-VSSOP, 8-MSOP (0.110", 2.80mm Width) Exposed Pad
- Supplier Device Package：8-HTMSOP
- Grade：Automotive
- Qualification：AEC-Q100
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Overview
The S-19999CA-S8T1U7 is a boost switching controller manufactured by ABLIC Inc. It operates with a fixed switching frequency of 400 kHz and features a supply voltage range up to 6.80 V. The component is housed in an HTMSOP-8 package, designed for surface mount technology applications. This device belongs to the automotive-grade power management category, ensuring reliability under demanding environmental conditions.
Feature Summary
- Integrated boost switching controller functionality
- Fixed 400 kHz switching frequency operation
- Automotive-grade qualification for high reliability
Applications
- Automotive electronic systems requiring step-up voltage conversion
- Power management units in vehicle infotainment modules
- Sensor interface circuits needing boosted supply rails
Procurement Notes
Verify the specific datasheet revision and automotive compliance standards directly with ABLIC or authorized distributors before integration. Confirm that the HTMSOP-8 package dimensions match your PCB footprint requirements. Ensure input voltage constraints do not exceed the 6.80 V limit during normal operation and transient events.
Selection Notes
Select this component when a compact boost solution is required for automotive environments. The fixed 400 kHz frequency allows for smaller external passive components compared to lower-frequency alternatives. Verify compatibility with the target system's input voltage profile and thermal management capabilities within the HTMSOP-8 form factor.
Part Context
This part is part of ABLIC's automotive power management portfolio, specifically designed for DC-DC conversion tasks. It complements other regulators in the series by providing step-up capability where buck converters are insufficient. The HTMSOP-8 package offers a balance between pin count and board space efficiency for dense automotive PCB layouts.
Replacement Considerations
No public confirmed substitute part numbers are available in the provided documentation. Consult ABLIC technical support for potential cross-references or newer revisions within the S-199xx series.
