Renesas HA1631S01CMEL-E

Overview

HA1631S01CMEL-E from Renesas Electronics is a single CMOS comparator with push-pull full-swing output, 5 μA typical supply current at 3.0 V, 1.8–5.5 V operating voltage range, and 5 mV maximum input offset voltage. It operates from a single supply and directly interfaces with TTL/CMOS logic in battery-powered sensor monitoring circuits.

For engineers reviewing the HA1631S01CMEL-E datasheet, HA1631S01CMEL-E pinout, HA1631S01CMEL-E application, or HA1631S01CMEL-E equivalent, key selection criteria include ultra-low quiescent current, rail-to-rail input common-mode range including ground, push-pull output drive capability, and CMPAK-5 package compatibility for space-constrained portable designs.

Technical Context

The HA1631S01CMEL-E implements a CMOS input stage with 1 pA typical input bias current and supports single-supply operation down to 1.8 V. Its push-pull output delivers 13 mA source and 14 mA sink current while maintaining VOH ≥ 2.9 V and VOL ≤ 0.1 V under 10 kΩ load at VDD = 3.0 V.

It features on-chip ESD protection, 80 dB typical PSRR and CMRR, and operates across –40°C to +85°C. Input common-mode range extends from –0.1 V to (VDD – 0.9 V), enabling ground-referenced sensing in low-voltage systems.

Key Specifications

Pinout & Package

CMPAK-5 package (JEITA SC-88A), 1.8 × 1.15 mm footprint, 0.65 mm pitch, 0.006 g mass. Ultra-small form factor occupies 1/8 area of SOP-8.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar comparator applications.

Compared with TLC3701CP and NCS2200SQ2T2G, the HA1631S01CMEL-E provides the lowest quiescent current in its voltage class, native push-pull output eliminating BOM components, and the smallest footprint-making it optimal for miniaturized, battery-critical applications where every microamp and square millimeter matters.

Availability

HA1631S01CMEL-E is available at Aetrix Electronics and suitable for battery management systems, portable medical devices, and industrial sensor nodes requiring stable component supply, long-term lifecycle support, and RoHS-compliant packaging.

Supply support for HA1631S01CMEL-E includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Renesas Electronics is a global semiconductor leader delivering microcontrollers, analog, power, and SoC solutions for automotive, industrial, and enterprise applications.

The HA1631S01/02/03/04 series targets ultra-low-power, space-constrained sensing and monitoring applications where minimal current draw, small size, and single-supply simplicity are critical design requirements.

FAQ

What is the maximum operating temperature for HA1631S01CMEL-E?

The HA1631S01CMEL-E is rated for continuous operation from –40°C to +85°C ambient temperature, meeting industrial-grade thermal requirements. This range is confirmed in the Absolute Maximum Ratings table on page 3 of R03DS0085EJ0500 Rev.5.00, and applies specifically to the HA1631S01CMEL-E variant in CMPAK-5 packaging.

Does HA1631S01CMEL-E support rail-to-rail input operation?

Yes, HA1631S01CMEL-E supports an input common-mode voltage range from –0.1 V to 2.1 V at VDD = 3.0 V, explicitly including ground and extending close to the positive rail. This is documented in the Electrical Characteristics table (page 3) and verified in Figure 1-8 (Common Mode Input Voltage vs. Ambient Temperature).

What is the output drive capability of HA1631S01CMEL-E?

The HA1631S01CMEL-E provides push-pull output with 13 mA typical source current (at VO = 2.5 V) and 14 mA typical sink current (at VO = 0.5 V), enabling direct driving of logic inputs or small LEDs without external buffers. These values are specified in the Electrical Characteristics table under IOSOURCE and IOSINK.

Is HA1631S01CMEL-E pin-compatible with other variants in the HA1631Sxx family?

Yes, HA1631S01CMEL-E shares identical pinout and CMPAK-5 package with HA1631S02CMEL-E, HA1631S03CMEL-E, and HA1631S04CMEL-E, as shown in the Pin Arrangement diagram (page 2). All four variants use pins 1–5 for VIN(+), VSS, VIN(–), VDD, and VOUT respectively.

What is the typical propagation delay of HA1631S01CMEL-E at 3.0 V supply?

At VDD = 3.0 V, HA1631S01CMEL-E exhibits 1.20 μs typical TPLH (low-to-high) and 0.55 μs typical TPHL (high-to-low) propagation delay under 100 mV overdrive and 15 pF load, per the Electrical Characteristics table (page 3). These values are specific to the HA1631S01/03 variants and differ from the faster HA1631S02/04 versions.