Lead‑acid battery charger controller IC for SLA batteries with selectable 3‑step voltage, constant‑current or pulsed‑current algorithms via mode pins. Integrates temperature sensing/compensation, battery insertion/removal and fault detection, four LED status drivers, faster‑charge and cyclic/float selection. Operates from a 5 V supply and is offered in 14‑pin DIP and SOIC packages. First published November 18, 2011.
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| Supply voltage (VDD) | 4.5 to 5.5V |
| Absolute max VDD | 6.5V |
| Operating ambient temperature (standard grade XN) | -20 to +85°C |
| Operating ambient temperature (industrial grade XI) | -40 to +125°C |
| Storage temperature | -55 to +125 (+150 for XI series)°C |
| Soldering temperature (10 s max) | 260°C |
| Supply current (ICC) | 3 typ, 5 maxmA |
| Logic input high threshold (VIH) | ≥ VDD − 0.6V |
| Logic input low threshold (VIL) | ≤ VSS + 0.3V |
| LED driver output high (VOH) | ≈ VDD − 0.7V |
| LED driver output low (VOL) | ≈ VSS + 0.5V |
| LED driver source/sink current | ±15mA |
| Internal reference voltage | 2.00 ±1% @ 25°CV |
| Reference temperature coefficient | -3.9mV/°C |
| TEMP max threshold (VLTF) | 0.35×VDD |
| TEMP hysteresis threshold (VHTF) | 0.15×VDD |
| TEMP min threshold (VTCO) | 0.12×VDD |
| High‑cutoff voltage (VMAX) | 0.60×VDD |
| Under‑voltage threshold at BAT (VMIN) | 0.20×VDD |
| Low‑cutoff voltage (VTH) | 0.34×VDD |
| Current sense threshold IMAX (VSNS) | 0.200V |
| Current sense threshold ICOND (VSNS) | 0.040V |
| VBAT input voltage range | 0 to VDDV |
| TEMP input voltage range | 0 to VDDV |
| Charge algorithms | 3‑step voltage; constant‑current; pulsed‑current (pin‑selectable) |
| Status indicators | 4 LED outputs (LED0–LED3) |
| Pin count | 14pins |
| Packages | DIP‑14; SOIC‑14 |
| RoHS | Pb‑Free (RoHS Compliant) |
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