EV Charger Session Log Endurance eMMC 5.1 128GB BGA153 Embedded Memory IC
Product Summary
Product Details
EV Charger Session Log eMMC
,128GB BGA153 Charging Pile Memory
,Transaction Journal Endurance Flash
Product Description
EV Charger Session Log Endurance eMMC 5.1 128GB BGA153 Embedded Memory IC
A charging pile writes a small but precious record every time a driver plugs in: start time, meter deltas, tariff step, stop reason and settlement status. Lose one of those records and the operator loses revenue and audit traceability. This 128GB eMMC 5.1 gives the charger controller a journal area that survives years of plug cycles, with cache flush and reliable write commands honoured so a sudden mains drop cannot leave a half written session behind. The eMMC 5.1 device also carries firmware, localisation files and remote update slots, which is why the 128GB density is the practical choice for AC and DC charger designs alike.
Session logs are append only and small, which is exactly the workload that punishes cheap storage: the same blocks are rewritten constantly. Static and dynamic wear levelling moves that traffic across the whole 3D TLC array, LDPC ECC guards the ageing cells, and the high program erase cycle rating keeps the journal area inside specification for the service life of the charger. The controller exposes health counters through standard eMMC 5.1 commands, so the charger can report storage wear to a backend dashboard. The BGA153 package and dual 1.8V or 3.3V VCCQ option keep the eMMC compatible with the processors used on most charger control boards today.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model Number | G28128TLCB / G2864GTLCB |
| Capacity | 128GB / 64GB |
| Transaction Journal | Append only session and billing records |
| Cache Flush Support | Flush and reliable write commands honoured |
| Typical Endurance Use | Hundreds of thousands of session records |
| Interface | eMMC 5.1, HS400 mode |
| Package | BGA153, 11.5 x 13 x 1.0 mm |
| NAND Flash | 3D TLC NAND (pSLC option available) |
| Error Correction | LDPC ECC |
| Wear Levelling | Static and dynamic |
| Operating Temperature | -25 C to +85 C |
| Operating Voltage | VCC 3.3V, VCCQ 1.8V / 3.3V |
| Warranty | 3 years |
Key Advantages
- Append only session journal layout matched to charging transaction records
- Cache flush and reliable write support protect the last session when mains power drops
- High program erase cycle rating sized for years of daily plug in cycles
- Static and dynamic wear levelling spread journal traffic across the full 3D TLC array
- LDPC ECC protects billing records as cells age in outdoor cabinets
- Health counters available through standard eMMC 5.1 commands for backend reporting
- Dual 1.8V or 3.3V VCCQ keeps the eMMC 5.1 compatible with common charger SoCs
Frequently Asked Questions
Q: Why choose 128GB for a charger that only stores small records?
A: Because the charger also holds firmware, localisation packs, display assets and remote update slots. The 128GB eMMC 5.1 lets one device serve the journal, the application image and the update staging area without adding a second storage component to the board.
Q: What happens to the current session if power is cut mid transaction?
A: The device honours cache flush and reliable write semantics of the eMMC 5.1 standard, so records committed before the drop stay intact. Coupled with an append only journal structure, the charger can replay or void the last entry cleanly after restart.
Q: Can the wear level be monitored from the charger backend?
A: Yes. Standard eMMC 5.1 commands report life time estimates and bad block counts, which the charger firmware can forward to a backend dashboard. Operators can then plan replacement during scheduled maintenance instead of reacting to a failure.
Charging operators usually qualify storage with their own field data, so we supply endurance test reports, capacity splits and firmware specific partitioning guidance on request. Share your session record size and expected daily plug cycles and we will confirm the right EV charger session log eMMC 5.1 density.
